{"id":14863,"date":"2025-10-31T11:08:37","date_gmt":"2025-10-31T11:08:37","guid":{"rendered":"https:\/\/www.hnjournal.net\/?page_id=14863"},"modified":"2025-10-31T11:08:39","modified_gmt":"2025-10-31T11:08:39","slug":"6-11-7","status":"publish","type":"page","link":"https:\/\/www.hnjournal.net\/ar\/6-11-7\/","title":{"rendered":""},"content":{"rendered":"<div class=\"journal-article\" style=\"margin-bottom: 20px;\"><h3 style='text-align: left; font-family:Times New Roman;'>Groundwater Vulnerability to Agricultural Pollution Using the Modified DRASTIC Index: A Case Study of Ben Yakhlef, Morocco<\/h3><h4 style='text-align: right; font-family:Simplified Arabic;'>\u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0645\u064a\u0627\u0647 \u0627\u0644\u062c\u0648\u0641\u064a\u0629 \u0644\u0644\u062a\u0644\u0648\u062b \u0627\u0644\u0632\u0631\u0627\u0639\u064a \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0624\u0634\u0631 DRASTIC \u0627\u0644\u0645\u0639\u062f\u0651\u0644: \u062f\u0631\u0627\u0633\u0629 \u062d\u0627\u0644\u0629 \u0628\u0646\u064a \u064a\u062e\u0644\u0641\u060c \u0627\u0644\u0645\u063a\u0631\u0628<\/h4><p style='text-align: left; font-weight:bold;'>Dr. Mounir Neddi\u00b9, Dr. Mohammed kaoini\u00b2, Prof. Rachida El Morabet<sup>3<\/sup><\/p><div style='direction: ltr; text-align: left; font-size:12px; line-height:1.5;'><p>\"1.\tPhD Student, Hassan II University, Faculty of Arts and Humanities, Mohammedia.<\/p><p><sup>2<\/sup>.\tPhD Student, Hassan II University, Faculty of Arts and Humanities, Mohammedia.<\/p><p><sup>3<\/sup>.\tProfessor, Hassan II University, Faculty of Arts and Humanities, Mohammedia.<\/p><p>Corresponding Email: neddimounir97@gmail.com\"<\/p><\/div><p style='text-align:left;'><strong>DOI:<\/strong> <a href='https:\/\/doi.org\/https:\/\/doi.org\/10.53796\/hnsj611\/7' target='_blank' rel='noopener'>https:\/\/doi.org\/10.53796\/hnsj611\/7<\/a><\/p><p style='text-align: left;'><strong>Arabic Scientific Research Identifier:<\/strong> <a href='https:\/\/arsri.org\/10000\/611\/7' target='_blank' rel='noopener'>https:\/\/arsri.org\/10000\/611\/7<\/a><\/p><p style='text-align: left;'><strong>Volume (6) Issue (11). Pages:<\/strong> 108 - 115<\/p><p style='text-align: left;'><strong>Received at:<\/strong> 2025-10-07 | <strong>Accepted at:<\/strong> 2025-10-15 | <strong>Published at:<\/strong> 2025-11-01<\/p><p><a href='\/volume6\/issue11\/6-11-7.pdf' target='_blank' rel='noopener' style='background-color:green;color:white;padding:10px 15px;text-decoration:none;border-radius:5px;'>Download PDF<\/a><\/p>\r\n<style>\r\n.hnsj-cite-btn{\r\n  display:inline-flex; gap:8px; align-items:center;\r\n  padding:10px 14px; border-radius:10px;\r\n  border:1px solid #0b5ed7; background:#0b5ed7; color:#fff;\r\n  cursor:pointer; font-weight:700;\r\n}\r\n.hnsj-cite-btn:hover{background:#084bb0;border-color:#084bb0}\r\n.hnsj-cite-note{display:block;margin-top:6px;font-size:13px;opacity:.85}\r\n\r\n.hnsj-modal-backdrop{\r\n  position:fixed; inset:0; background:rgba(0,0,0,.55);\r\n  display:none; z-index:99998;\r\n}\r\n.hnsj-modal{\r\n  position:fixed; left:50%; top:50%; transform:translate(-50%,-50%);\r\n  width:min(760px,94vw); background:#fff; border-radius:14px;\r\n  box-shadow:0 12px 35px rgba(0,0,0,.28);\r\n  display:none; z-index:99999; overflow:hidden;\r\n  border:1px solid rgba(0,0,0,.08);\r\n}\r\n\r\n.hnsj-modal-header{\r\n  display:flex; justify-content:space-between; align-items:center;\r\n  padding:14px 16px; border-bottom:1px solid #eee; background:#f8fafc;\r\n}\r\n.hnsj-modal-title{font-size:16px;font-weight:800;color:#111827}\r\n.hnsj-modal-close{\r\n  border:1px solid #d1d5db; background:#fff;\r\n  width:34px; height:34px; border-radius:10px;\r\n  font-size:18px; cursor:pointer; line-height:0; color:#111827;\r\n}\r\n.hnsj-modal-close:hover{background:#f3f4f6}\r\n\r\n.hnsj-tabs{\r\n  display:flex; gap:10px; padding:10px 16px;\r\n  border-bottom:1px solid #f0f0f0; justify-content:flex-end;\r\n}\r\n.hnsj-tab{\r\n  padding:10px 14px; border-radius:10px;\r\n  border:1px solid #cfcfcf; background:#f3f4f6;\r\n  cursor:pointer; font-weight:800; color:#111827;\r\n}\r\n.hnsj-tab:hover{background:#e5e7eb;border-color:#9ca3af}\r\n.hnsj-tab.active{\r\n  background:#0b5ed7; border-color:#0b5ed7; color:#fff;\r\n  box-shadow:0 2px 10px rgba(11,94,215,.18);\r\n}\r\n\r\n.hnsj-modal-body{padding:14px 16px}\r\n.hnsj-row{\r\n  display:flex; gap:10px; flex-wrap:wrap; align-items:center;\r\n  margin-bottom:10px; justify-content:flex-end;\r\n}\r\n.hnsj-select{\r\n  padding:10px 12px; border-radius:10px;\r\n  border:1px solid #cfcfcf; min-width:220px;\r\n  background:#fff; color:#111827; font-weight:700;\r\n}\r\n.hnsj-copy{\r\n  padding:10px 14px; border-radius:10px;\r\n  border:1px solid #0b5ed7; background:#0b5ed7; color:#fff;\r\n  cursor:pointer; font-weight:800;\r\n}\r\n.hnsj-copy:hover{background:#084bb0;border-color:#084bb0}\r\n\r\n.hnsj-textarea{\r\n  width:100%; min-height:130px; padding:12px;\r\n  border-radius:12px; border:1px solid #cfcfcf;\r\n  line-height:1.7; resize:vertical; color:#111827; background:#fff;\r\n}\r\n.hnsj-actions{display:flex; justify-content:space-between; align-items:center; margin-top:10px; gap:10px; flex-wrap:wrap;}\r\n.hnsj-dl{\r\n  padding:10px 14px;\r\n  border-radius:10px;\r\n  border:1px solid #0b5ed7;\r\n  background:#0b5ed7;\r\n  color:#fff;\r\n  cursor:pointer;\r\n  font-weight:800;\r\n}\r\n.hnsj-dl:hover{background:#084bb0;border-color:#084bb0}\r\n\/* Force the citation modal UI to be independent from site RTL\/LTR *\/\r\n.hnsj-modal,\r\n.hnsj-modal *{\r\n  direction: ltr;\r\n  text-align: left;\r\n}\r\n\r\n\/* Keep the header title readable *\/\r\n.hnsj-modal-header{\r\n  direction: ltr;\r\n}\r\n<\/style>\r\n\r\n<script>\r\n(function(){\r\n  function slugifyFileName(s){\r\n    return (s || 'citation')\r\n      .toString()\r\n      .trim()\r\n      .replace(\/^https?:\\\/\\\/\/i,'')\r\n      .replace(\/[^a-z0-9]+\/gi,'-')\r\n      .replace(\/-+\/g,'-')\r\n      .replace(\/^-|-$\/g,'')\r\n      .toLowerCase();\r\n  }\r\n\r\n  function downloadTextFile(filename, content, mime){\r\n    var blob = new Blob([content], { type: mime || 'text\/plain;charset=utf-8' });\r\n    var url = URL.createObjectURL(blob);\r\n    var a = document.createElement('a');\r\n    a.href = url;\r\n    a.download = filename;\r\n    document.body.appendChild(a);\r\n    a.click();\r\n    a.remove();\r\n    setTimeout(function(){ URL.revokeObjectURL(url); }, 500);\r\n  }\r\n\r\n  function splitAuthors(str){\r\n    if(!str) return [];\r\n    return str\r\n      .split(\/,|\u061b|\u060c|;|\\n\/g)\r\n      .map(s => s.trim())\r\n      .filter(Boolean);\r\n  }\r\n\r\n  function buildRIS(m, langKey){\r\n    const title   = (langKey === 'ar') ? 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(2025). Groundwater Vulnerability to Agricultural Pollution Using the Modified DRASTIC Index: A Case Study of Ben Yakhlef, Morocco. Humanities &amp; Natural Sciences Journal, 6(11). https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj611\\\/7&quot;,&quot;Chicago&quot;:&quot;Neddi Mounir, Kawani Mohammed, El Morabet Rachida. 2025. \\&quot;Groundwater Vulnerability to Agricultural Pollution Using the Modified DRASTIC Index: A Case Study of Ben Yakhlef, Morocco.\\&quot; Humanities &amp; Natural Sciences Journal 6, no. 11. https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj611\\\/7&quot;,&quot;Harvard&quot;:&quot;Neddi M, Kawani M, El-Morabet R. 2025. Groundwater Vulnerability to Agricultural Pollution Using the Modified DRASTIC Index: A Case Study of Ben Yakhlef, Morocco. Humanities &amp; Natural Sciences Journal. [Internet] 2025-11-01. [Cited 2026-04-24]. 6(11). Available at: https:\\\/\\\/www.hnjournal.net\\\/6-11-7\\\/. https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj611\\\/7&quot;,&quot;Vancouver&quot;:&quot;Neddi M, Kawani M, El-Morabet R. Groundwater Vulnerability to Agricultural Pollution Using the Modified DRASTIC Index: A Case Study of Ben Yakhlef, Morocco. Humanities &amp; Natural Sciences Journal. [Internet]. 2025-11-01; 6(11). Available from: https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj611\\\/7&quot;,&quot;IEEE&quot;:&quot;Neddi M, Kawani M, El-Morabet R, \\&quot;Groundwater Vulnerability to Agricultural Pollution Using the Modified DRASTIC Index: A Case Study of Ben Yakhlef, Morocco,\\&quot; Humanities &amp; Natural Sciences Journal, vol. 6, no. 11, 2025. https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj611\\\/7&quot;,&quot;MLA&quot;:&quot;Neddi Mounir, Kawani Mohammed, El Morabet Rachida. \\&quot;Groundwater Vulnerability to Agricultural Pollution Using the Modified DRASTIC Index: A Case Study of Ben Yakhlef, Morocco.\\&quot; Humanities &amp; Natural Sciences Journal, vol. 6, no. 11, 2025-11-01, https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj611\\\/7&quot;}' data-cit-ar='{&quot;APA&quot;:&quot;Neddi M, kaoini M, El Morabet R. (2025). \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0645\u064a\u0627\u0647 \u0627\u0644\u062c\u0648\u0641\u064a\u0629 \u0644\u0644\u062a\u0644\u0648\u062b \u0627\u0644\u0632\u0631\u0627\u0639\u064a \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0624\u0634\u0631 DRASTIC \u0627\u0644\u0645\u0639\u062f\u0651\u0644: \u062f\u0631\u0627\u0633\u0629 \u062d\u0627\u0644\u0629 \u0628\u0646\u064a \u064a\u062e\u0644\u0641\u060c \u0627\u0644\u0645\u063a\u0631\u0628. \u0645\u062c\u0644\u0629 \u0627\u0644\u0639\u0644\u0648\u0645 \u0627\u0644\u0627\u0646\u0633\u0627\u0646\u064a\u0629 \u0648\u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629\u060c 6(11). https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj611\\\/7&quot;,&quot;Chicago&quot;:&quot;Neddi Mounir, kaoini Mohammed, El Morabet Rachida. 2025. \u00ab\u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0645\u064a\u0627\u0647 \u0627\u0644\u062c\u0648\u0641\u064a\u0629 \u0644\u0644\u062a\u0644\u0648\u062b \u0627\u0644\u0632\u0631\u0627\u0639\u064a \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0624\u0634\u0631 DRASTIC \u0627\u0644\u0645\u0639\u062f\u0651\u0644: \u062f\u0631\u0627\u0633\u0629 \u062d\u0627\u0644\u0629 \u0628\u0646\u064a \u064a\u062e\u0644\u0641\u060c \u0627\u0644\u0645\u063a\u0631\u0628\u00bb. \u0645\u062c\u0644\u0629 \u0627\u0644\u0639\u0644\u0648\u0645 \u0627\u0644\u0627\u0646\u0633\u0627\u0646\u064a\u0629 \u0648\u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629\u060c 6(11). https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj611\\\/7&quot;,&quot;Harvard&quot;:&quot;Neddi M, kaoini M, El Morabet R. \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0645\u064a\u0627\u0647 \u0627\u0644\u062c\u0648\u0641\u064a\u0629 \u0644\u0644\u062a\u0644\u0648\u062b \u0627\u0644\u0632\u0631\u0627\u0639\u064a \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0624\u0634\u0631 DRASTIC \u0627\u0644\u0645\u0639\u062f\u0651\u0644: \u062f\u0631\u0627\u0633\u0629 \u062d\u0627\u0644\u0629 \u0628\u0646\u064a \u064a\u062e\u0644\u0641\u060c \u0627\u0644\u0645\u063a\u0631\u0628. \u0645\u062c\u0644\u0629 \u0627\u0644\u0639\u0644\u0648\u0645 \u0627\u0644\u0627\u0646\u0633\u0627\u0646\u064a\u0629 \u0648\u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629. [\u0627\u0646\u062a\u0631\u0646\u062a] 2025-11-01. [\u062a\u0627\u0631\u064a\u062e \u0627\u0644\u0648\u0635\u0648\u0644 2026-04-24]. 6(11). \u0645\u062a\u0627\u062d \u0639\u0644\u0649: https:\\\/\\\/www.hnjournal.net\\\/6-11-7\\\/. https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj611\\\/7&quot;,&quot;Vancouver&quot;:&quot;Neddi M, kaoini M, El Morabet R. \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0645\u064a\u0627\u0647 \u0627\u0644\u062c\u0648\u0641\u064a\u0629 \u0644\u0644\u062a\u0644\u0648\u062b \u0627\u0644\u0632\u0631\u0627\u0639\u064a \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0624\u0634\u0631 DRASTIC \u0627\u0644\u0645\u0639\u062f\u0651\u0644: \u062f\u0631\u0627\u0633\u0629 \u062d\u0627\u0644\u0629 \u0628\u0646\u064a \u064a\u062e\u0644\u0641\u060c \u0627\u0644\u0645\u063a\u0631\u0628. \u0645\u062c\u0644\u0629 \u0627\u0644\u0639\u0644\u0648\u0645 \u0627\u0644\u0627\u0646\u0633\u0627\u0646\u064a\u0629 \u0648\u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629. [\u0627\u0646\u062a\u0631\u0646\u062a]. 2025-11-01\u061b 6(11). \u0645\u062a\u0627\u062d \u0645\u0646: https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj611\\\/7&quot;,&quot;IEEE&quot;:&quot;Neddi M, kaoini M, El Morabet R. \u00ab\u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0645\u064a\u0627\u0647 \u0627\u0644\u062c\u0648\u0641\u064a\u0629 \u0644\u0644\u062a\u0644\u0648\u062b \u0627\u0644\u0632\u0631\u0627\u0639\u064a \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0624\u0634\u0631 DRASTIC \u0627\u0644\u0645\u0639\u062f\u0651\u0644: \u062f\u0631\u0627\u0633\u0629 \u062d\u0627\u0644\u0629 \u0628\u0646\u064a \u064a\u062e\u0644\u0641\u060c \u0627\u0644\u0645\u063a\u0631\u0628\u00bb. \u0645\u062c\u0644\u0629 \u0627\u0644\u0639\u0644\u0648\u0645 \u0627\u0644\u0627\u0646\u0633\u0627\u0646\u064a\u0629 \u0648\u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629\u060c \u0645 6\u060c \u0639 11\u060c 2025. https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj611\\\/7&quot;,&quot;MLA&quot;:&quot;Neddi Mounir, kaoini Mohammed, El Morabet Rachida. \u00ab\u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0645\u064a\u0627\u0647 \u0627\u0644\u062c\u0648\u0641\u064a\u0629 \u0644\u0644\u062a\u0644\u0648\u062b \u0627\u0644\u0632\u0631\u0627\u0639\u064a \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0624\u0634\u0631 DRASTIC \u0627\u0644\u0645\u0639\u062f\u0651\u0644: \u062f\u0631\u0627\u0633\u0629 \u062d\u0627\u0644\u0629 \u0628\u0646\u064a \u064a\u062e\u0644\u0641\u060c \u0627\u0644\u0645\u063a\u0631\u0628\u00bb. \u0645\u062c\u0644\u0629 \u0627\u0644\u0639\u0644\u0648\u0645 \u0627\u0644\u0627\u0646\u0633\u0627\u0646\u064a\u0629 \u0648\u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629\u060c \u0645 6\u060c \u0639 11\u060c 2025-11-01\u060c https:\\\/\\\/doi.org\\\/10.53796\\\/hnsj611\\\/7&quot;}'>\r\n    <div class='hnsj-modal-header'>\r\n    <div class='hnsj-modal-title'>Cite \/ \u0627\u0644\u0627\u0633\u062a\u0634\u0647\u0627\u062f<\/div>\r\n    <button class='hnsj-modal-close' type='button' data-hnsj-close aria-label='Close'>\u00d7<\/button>\r\n    <\/div>\r\n\r\n    <div class='hnsj-tabs'>\r\n      <button type='button' class='hnsj-tab active' data-lang='en'>English (Roman)<\/button>\r\n      <button type='button' class='hnsj-tab' data-lang='ar'>\u0627\u0644\u0639\u0631\u0628\u064a\u0629<\/button>\r\n    <\/div>\r\n\r\n    <div class='hnsj-modal-body'>\r\n      <div class='hnsj-row'>\r\n        <button type='button' class='hnsj-copy' data-hnsj-copy>Copy<\/button>\r\n        <select class='hnsj-select' data-hnsj-style><\/select>\r\n        <\/div>\r\n\r\n      <textarea class='hnsj-textarea' data-hnsj-box readonly><\/textarea>\r\n\r\n      <div class='hnsj-actions'>\r\n        <div style='display:flex; gap:10px; flex-wrap:wrap;'>\r\n          <button type='button' class='hnsj-dl' data-hnsj-dl='ris'>Download RIS<\/button>\r\n          <button type='button' class='hnsj-dl' data-hnsj-dl='bib'>Download BibTeX<\/button>\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n<p style='text-align:justify; direction:ltr;'><strong>Abstract:<\/strong> This study assesses the vulnerability of groundwater to agricultural pollution in the Ben Yakhlef commune, Mohammedia Prefecture (Morocco), using a modified DRASTIC index integrated with the SI method and Geographic Information Systems (GIS). The modification replaced two classical parameters\u2014recharge and hydraulic conductivity\u2014with precipitation and land use to better reflect local hydrogeological and anthropogenic conditions. Seven parameters (depth to water, precipitation, aquifer and soil media, topography, vadose zone impact, and land use) were classified, weighted, and spatially analyzed to compute a vulnerability index. The resulting vulnerability map revealed three distinct zones: high, moderate, and low vulnerability. High-risk areas were concentrated along irrigated farmlands near the inter-municipal landfill and Oued Nfifikh, where shallow aquifers, permeable formations, and intensive agrochemical use amplify contamination risks. Moderate vulnerability zones corresponded to flat, intensively farmed areas with poor drainage, while low vulnerability zones occurred in rainfed or forested areas with impermeable soils and steep slopes. Findings confirm that land use and irrigation intensity are decisive in shaping groundwater vulnerability, outweighing purely natural factors. The modified DRASTIC index effectively identified contamination hotspots, emphasizing the need for integrated groundwater management combining improved fertilizer practices, wastewater control, and land-use regulation. This approach supports sustainable agriculture and safe drinking water protection in rapidly urbanizing and industrializing regions of Morocco.<\/p><p style='text-align:left; direction:ltr;'><strong>Keywords: <\/strong> groundwater vulnerability, modified DRASTIC index, agricultural pollution, GIS mapping, Ben Yakhlef, Morocco.<\/p><p style='text-align:justify; direction:rtl;'><strong>\u0627\u0644\u0645\u0633\u062a\u062e\u0644\u0635: <\/strong> \u062a\u0642\u064a\u0651\u0645 \u0647\u0630\u0647 \u0627\u0644\u062f\u0631\u0627\u0633\u0629 \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0645\u064a\u0627\u0647 \u0627\u0644\u062c\u0648\u0641\u064a\u0629 \u0644\u0644\u062a\u0644\u0648\u062b \u0627\u0644\u0632\u0631\u0627\u0639\u064a \u0641\u064a \u0628\u0646\u064a \u064a\u062e\u0644\u0641 \u0628\u0625\u0642\u0644\u064a\u0645 \u0627\u0644\u0645\u062d\u0645\u062f\u064a\u0629 (\u0627\u0644\u0645\u063a\u0631\u0628) \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0624\u0634\u0631 DRASTIC  \u0627\u0644\u0645\u0639\u062f\u0651\u0644 \u0627\u0644\u0645\u062f\u0645\u062c \u0645\u0639 \u0637\u0631\u064a\u0642\u0629 SI  \u0648\u0646\u0638\u0645 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0627\u0644\u062c\u063a\u0631\u0627\u0641\u064a\u0629 (GIS). \u062a\u0645 \u062a\u0639\u062f\u064a\u0644 \u0627\u0644\u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0623\u0635\u0644\u064a \u0645\u0646 \u062e\u0644\u0627\u0644 \u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0639\u0627\u0645\u0644\u064a\u0646 \u0645\u0646 \u0627\u0644\u0639\u0648\u0627\u0645\u0644 \u0627\u0644\u0633\u0628\u0639\u0629 \u0627\u0644\u062a\u0642\u0644\u064a\u062f\u064a\u0629\u060c \u0648\u0647\u0645\u0627 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u063a\u0630\u064a\u0629 (Recharge) \u0648\u0627\u0644\u0646\u0627\u0642\u0644\u064a\u0629 \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u0644\u064a\u0643\u064a\u0629 (Hydraulic Conductivity)\u060c \u0628\u0639\u0627\u0645\u0644\u064a \u0627\u0644\u0647\u0637\u0648\u0644 \u0627\u0644\u0645\u0637\u0631\u064a (Precipitation) \u0648\u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0627\u062a \u0627\u0644\u0623\u0631\u0627\u0636\u064a (Land Use)\u060c \u0648\u0630\u0644\u0643 \u0644\u062a\u0643\u064a\u064a\u0641 \u0627\u0644\u0645\u0624\u0634\u0631 \u0645\u0639 \u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u062c\u064a\u0648\u0644\u0648\u062c\u064a\u0629 \u0648\u0627\u0644\u0628\u0634\u0631\u064a\u0629 \u0627\u0644\u0645\u062d\u0644\u064a\u0629.\r\n\u062a\u0645 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0639\u0648\u0627\u0645\u0644 \u0627\u0644\u0633\u0628\u0639\u0629 (\u0639\u0645\u0642 \u0627\u0644\u0645\u064a\u0627\u0647 \u0627\u0644\u062c\u0648\u0641\u064a\u0629\u060c \u0627\u0644\u0647\u0637\u0648\u0644 \u0627\u0644\u0645\u0637\u0631\u064a\u060c \u0648\u0633\u0637 \u0627\u0644\u062e\u0632\u0627\u0646 \u0627\u0644\u062c\u0648\u0641\u064a\u060c \u0648\u0633\u0637 \u0627\u0644\u062a\u0631\u0628\u0629\u060c \u0627\u0644\u0637\u0628\u0648\u063a\u0631\u0627\u0641\u064a\u0627\u060c \u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0645\u0646\u0637\u0642\u0629 \u063a\u064a\u0631 \u0627\u0644\u0645\u0634\u0628\u0639\u0629\u060c \u0648\u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0627\u062a \u0627\u0644\u0623\u0631\u0627\u0636\u064a)\u060c \u0648\u0645\u0646\u062d\u0647\u0627 \u0623\u0648\u0632\u0627\u0646\u064b\u0627 \u0646\u0633\u0628\u064a\u0629\u060c \u062b\u0645 \u062a\u062d\u0644\u064a\u0644\u0647\u0627 \u0645\u0643\u0627\u0646\u064a\u064b\u0627 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0646\u0638\u0645 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0627\u0644\u062c\u063a\u0631\u0627\u0641\u064a\u0629 \u0644\u0625\u0646\u062a\u0627\u062c \u062e\u0631\u064a\u0637\u0629 \u062a\u0648\u0636\u062d \u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0627\u0644\u0642\u0627\u0628\u0644\u064a\u0629 \u0644\u0644\u062a\u0644\u0648\u062b.\r\n\u0623\u0638\u0647\u0631\u062a \u0627\u0644\u0646\u062a\u0627\u0626\u062c \u062b\u0644\u0627\u062b \u0645\u0646\u0627\u0637\u0642 \u0631\u0626\u064a\u0633\u064a\u0629 \u0645\u0646 \u062d\u064a\u062b \u0627\u0644\u0642\u0627\u0628\u0644\u064a\u0629: \u0645\u0631\u062a\u0641\u0639\u0629\u060c \u0648\u0645\u062a\u0648\u0633\u0637\u0629\u060c \u0648\u0645\u0646\u062e\u0641\u0636\u0629. \u062a\u062a\u0631\u0643\u0632 \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0642\u0627\u0628\u0644\u064a\u0629 \u0641\u064a \u0627\u0644\u0623\u0631\u0627\u0636\u064a \u0627\u0644\u0632\u0631\u0627\u0639\u064a\u0629 \u0627\u0644\u0645\u0631\u0648\u064a\u0629 \u0627\u0644\u0645\u062c\u0627\u0648\u0631\u0629 \u0644\u0644\u0645\u0637\u0631\u062d \u0627\u0644\u0628\u0644\u062f\u064a \u0627\u0644\u0645\u0634\u062a\u0631\u0643 \u0648\u0648\u0627\u062f\u064a \u0627\u0644\u0646\u0641\u064a\u0641\u064a\u062e\u060c \u062d\u064a\u062b 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\u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0645\u064a\u0627\u0647 \u0627\u0644\u062c\u0648\u0641\u064a\u0629 \u0644\u0644\u062a\u0644\u0648\u062b\u060c \u0645\u062a\u062c\u0627\u0648\u0632\u0629 \u0627\u0644\u0639\u0648\u0627\u0645\u0644 \u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629 \u0627\u0644\u0628\u062d\u062a\u0629. \u0623\u062b\u0628\u062a \u0645\u0624\u0634\u0631 DRASTIC \u0627\u0644\u0645\u0639\u062f\u0651\u0644 \u0641\u0639\u0627\u0644\u064a\u062a\u0647 \u0641\u064a \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u062d\u0631\u062c\u0629\u060c \u0645\u0645\u0627 \u064a\u0624\u0643\u062f \u0636\u0631\u0648\u0631\u0629 \u0627\u0639\u062a\u0645\u0627\u062f \u0646\u0647\u062c \u0625\u062f\u0627\u0631\u064a \u0645\u062a\u0643\u0627\u0645\u0644 \u064a\u0634\u0645\u0644 \u062a\u062d\u0633\u064a\u0646 \u0645\u0645\u0627\u0631\u0633\u0627\u062a \u0627\u0644\u062a\u0633\u0645\u064a\u062f \u0648\u0627\u0644\u0631\u064a\u060c \u0648\u0636\u0628\u0637 \u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u0646\u0641\u0627\u064a\u0627\u062a \u0627\u0644\u0635\u0644\u0628\u0629 \u0648\u0627\u0644\u0633\u0627\u0626\u0644\u0629\u060c \u0648\u062a\u0646\u0638\u064a\u0645 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0623\u0631\u0627\u0636\u064a \u0644\u0636\u0645\u0627\u0646 \u0627\u0633\u062a\u062f\u0627\u0645\u0629 \u0627\u0644\u0632\u0631\u0627\u0639\u0629 \u0648\u062d\u0645\u0627\u064a\u0629 \u0645\u0648\u0627\u0631\u062f \u0645\u064a\u0627\u0647 \u0627\u0644\u0634\u0631\u0628.\r\n<\/p><p style='text-align:right;'><strong>\u0627\u0644\u0643\u0644\u0645\u0627\u062a \u0627\u0644\u0645\u0641\u062a\u0627\u062d\u064a\u0629: <\/strong> \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0645\u064a\u0627\u0647 \u0627\u0644\u062c\u0648\u0641\u064a\u0629\u060c \u0645\u0624\u0634\u0631 DRASTIC \u0627\u0644\u0645\u0639\u062f\u0651\u0644\u060c \u0627\u0644\u062a\u0644\u0648\u062b \u0627\u0644\u0632\u0631\u0627\u0639\u064a\u060c \u0646\u0638\u0645 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0627\u0644\u062c\u063a\u0631\u0627\u0641\u064a\u0629\u060c \u0628\u0646\u064a \u064a\u062e\u0644\u0641\u060c \u0627\u0644\u0645\u063a\u0631\u0628.<\/p><\/div>\n\n\n<p dir=\"ltr\" style=\"text-align: justify;\"><strong>Introduction<\/strong><\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\">Groundwater is a vital resource for Morocco, particularly in regions of intensive agriculture and industry. In Mohammedia Prefecture, aquifer quality is increasingly threatened by uncontrolled landfills, untreated wastewater, and excessive use of fertilizers and pesticides, creating serious risks for the environment, farming, and public health (Mabrouki, et al., 2019).<\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\">To address these pressures, this study applies a Modified DRASTIC framework that combines elements of the classical index with the SI method. The approach was tailored to the specific hydrogeological and land-use conditions of the Ben Yakhlef commune, where irrigated and rainfed farming, urban growth, and industrial activities converge. Through GIS-based mapping, the research provides a refined assessment of nitrate-related vulnerability and highlights priority areas for groundwater protection. (Batchi, 2017)<\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\"><strong>Materials and Methods<\/strong><\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\">The study was conducted in the Ben Yakhlef commune, Mohammedia Prefecture (Morocco), an area characterized by intensive demographic, agricultural, and industrial activities. Its shallow aquifers are highly exposed to contamination, particularly from agricultural inputs, which justified applying a groundwater vulnerability assessment (Mabrouki, et al., 2019). The analysis relied on the DRASTIC index, which evaluates groundwater vulnerability through seven parameters: depth to water, net recharge, aquifer and soil media, topography, vadose zone, and hydraulic (Aller, 1987). To better reflect local conditions dominated by nitrate pollution, two modifications were introduced (Batchi, 2017) (Patel, et al., 2022): recharge was replaced by precipitation, given the central role of rainfall in transporting and leaching agricultural chemicals (Dzhamalov &amp; Zlobina, 1996), while hydraulic conductivity was substituted by land use to account for the impact of intensive irrigated<\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\">farming and to highlight zones where multiple contamination sources overlap with agricultural activities (Batchi, 2017). The final parameters (D, P, A, S, T, I, U) were classified, rated on a scale of 1\u201310, and weighted, with the vulnerability index computed as:<\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\">DI=(D\u00d75)+(P\u00d72)+(A\u00d73)+(S\u00d72)+(T\u00d71)+(I\u00d75)+(U\u00d75) (Aller, 1987)<\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\">D = Depth to water (Mabrouki, et al., 2019) &#8211; P = Precipitation (meteoblue, 2021) &#8211; A = Aquifer media (Service g\u00e9ologique du Maroc, 1921) &#8211; S = Soil media (FAO\u2013UNESCO, 1977) &#8211; T = Topography (Survey, 2020) &#8211; I = Impact of vadose zone (Survey, 2019) &#8211; L = Land use (Google Earth, 2O21).<\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\">All parameter layers were derived from hydrogeological surveys, rainfall records, soil and land-use maps, DEMs, and field observations and were processed in ArcGIS to generate the groundwater vulnerability map (Patel, et al., 2022).<\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\"><em>Fig.1. Comparison Between Original and Modified DRASTIC Methodology<\/em><\/p>\n<table dir=\"ltr\">\n<tbody>\n<tr>\n<td>\n<p>Original DRASTIC Parameters<\/p>\n<\/td>\n<td>\n<p>Modified DRASTIC Parameters<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Water Table Depth (D)<\/p>\n<\/td>\n<td>\n<p>Depth to water (D)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Net Recharge (R)<\/p>\n<\/td>\n<td>\n<p>Precipitation (P)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Aquifer Media (A)<\/p>\n<\/td>\n<td>\n<p>Aquifer media (A)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Soil Media (S)<\/p>\n<\/td>\n<td>\n<p>Soil Media (S)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Topography \/ Slope (T)<\/p>\n<\/td>\n<td>\n<p>Topography (T)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Impact of the Vadose Zone (I)<\/p>\n<\/td>\n<td>\n<p>Impact of the Vadose Zone (I)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Hydraulic Conductivity (C)<\/p>\n<\/td>\n<td>\n<p>Land Use (L)<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table dir=\"ltr\">\n<tbody>\n<tr>\n<td colspan=\"3\">\n<p><em>Fig.2. Modified DRASTIC Parameters and Ratings (Translated)<\/em><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Class<\/p>\n<\/td>\n<td>\n<p>Rating<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"3\">\n<p><strong>D \u2013 Depth to water (Weight = 5)<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>0 \u2013 1.5<\/p>\n<\/td>\n<td>\n<p>10<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>1.5 \u2013 4.5<\/p>\n<\/td>\n<td>\n<p>9<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>4.5 \u2013 9<\/p>\n<\/td>\n<td>\n<p>7<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>9 \u2013 15<\/p>\n<\/td>\n<td>\n<p>5<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>15 \u2013 22<\/p>\n<\/td>\n<td>\n<p>3<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>22 \u2013 30<\/p>\n<\/td>\n<td>\n<p>2<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>&gt; 30<\/p>\n<\/td>\n<td>\n<p>1<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"3\">\n<p><strong>P \u2013 Precipitation (Weight = 2)<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>&lt; 250<\/p>\n<\/td>\n<td>\n<p>1<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>256 \u2013 650<\/p>\n<\/td>\n<td>\n<p>4<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>650 \u2013 1000<\/p>\n<\/td>\n<td>\n<p>6<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>1000 \u2013 2000<\/p>\n<\/td>\n<td>\n<p>7<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>2000 \u2013 3000<\/p>\n<\/td>\n<td>\n<p>9<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>&gt; 3000<\/p>\n<\/td>\n<td>\n<p>10<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"3\">\n<p><strong>A \u2013 Aquifer Media (Weight = 3)<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Karstic limestone<\/p>\n<\/td>\n<td>\n<p>10<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Basalt<\/p>\n<\/td>\n<td>\n<p>9<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Sand and gravel<\/p>\n<\/td>\n<td>\n<p>8<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Massive limestone<\/p>\n<\/td>\n<td>\n<p>6<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Massive sandstone<\/p>\n<\/td>\n<td>\n<p>6<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Shale<\/p>\n<\/td>\n<td>\n<p>6<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>sandstone and limestone<\/p>\n<\/td>\n<td>\n<p>4<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Metamorphic rocks<\/p>\n<\/td>\n<td>\n<p>3<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Massive shale<\/p>\n<\/td>\n<td>\n<p>2<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"3\">\n<p><strong>S \u2013 Soil Media (Weight = 2)<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Thin or absent soil<\/p>\n<\/td>\n<td>\n<p>10<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Gravel<\/p>\n<\/td>\n<td>\n<p>10<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Sand<\/p>\n<\/td>\n<td>\n<p>9<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Colluvial clay deposits<\/p>\n<\/td>\n<td>\n<p>7<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Sandy silt<\/p>\n<\/td>\n<td>\n<p>6<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Silt<\/p>\n<\/td>\n<td>\n<p>5<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Fine silt<\/p>\n<\/td>\n<td>\n<p>4<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Silty clay<\/p>\n<\/td>\n<td>\n<p>3<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Massive unfractured clay<\/p>\n<\/td>\n<td>\n<p>1<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"3\">\n<p><strong>T \u2013 Topography \/ Slope (Weight = 1)<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>0 \u2013 2 %<\/p>\n<\/td>\n<td>\n<p>10<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>2 \u2013 6 %<\/p>\n<\/td>\n<td>\n<p>9<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>6 \u2013 12 %<\/p>\n<\/td>\n<td>\n<p>5<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>12 \u2013 18 %<\/p>\n<\/td>\n<td>\n<p>3<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>&gt; 18 %<\/p>\n<\/td>\n<td>\n<p>1<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"3\">\n<p><strong>I \u2013<\/strong> <strong>Impact of the Vadose Zone (Weight = 5)<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Karstic limestone<\/p>\n<\/td>\n<td>\n<p>10<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Basalt<\/p>\n<\/td>\n<td>\n<p>9<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Sand and gravel<\/p>\n<\/td>\n<td>\n<p>8<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Sands, gravels, clays, and silts<\/p>\n<\/td>\n<td>\n<p>6<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Dolomitic limestone, Sandstone, Shale<\/p>\n<\/td>\n<td>\n<p>6<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Sandstone<\/p>\n<\/td>\n<td>\n<p>6<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"3\">\n<p><strong>L \u2013 Land Use (Weight = 5)<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Irrigated agriculture<\/p>\n<\/td>\n<td>\n<p>10<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Industry and quarries<\/p>\n<\/td>\n<td>\n<p>9<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Urban settlements<\/p>\n<\/td>\n<td>\n<p>8<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Rainfed agriculture<\/p>\n<\/td>\n<td>\n<p>7<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Forests and natural vegetation<\/p>\n<\/td>\n<td>\n<p>6<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Pastures<\/p>\n<\/td>\n<td>\n<p>5<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"3\">\n<p><strong>DRASTIC Index Formula<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"3\">\n<p>DI = (D \u00d7 5) + (P \u00d7 2) + (A \u00d7 3) + (S \u00d7 2) + (T \u00d7 1) + (I \u00d7 5) + (U \u00d7 5)<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p dir=\"ltr\" style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" width=\"694\" height=\"527\" class=\"wp-image-14885\" src=\"http:\/\/www.hnjournal.net\/wp-content\/uploads\/2025\/10\/word-image-14863-1.png\" srcset=\"https:\/\/www.hnjournal.net\/wp-content\/uploads\/2025\/10\/word-image-14863-1.png 694w, https:\/\/www.hnjournal.net\/wp-content\/uploads\/2025\/10\/word-image-14863-1-300x228.png 300w, https:\/\/www.hnjournal.net\/wp-content\/uploads\/2025\/10\/word-image-14863-1-16x12.png 16w, https:\/\/www.hnjournal.net\/wp-content\/uploads\/2025\/10\/word-image-14863-1-80x60.png 80w\" sizes=\"auto, (max-width: 694px) 100vw, 694px\" \/><\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\"><em>Fig.3. Distribution of Irrigated Agricultural Lands in Ben Yakhlef According to Groundwater Vulnerability<\/em><\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\"><strong>Results<\/strong><\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\">The spatial analysis of groundwater vulnerability in Ben Yakhlef reve als marked contrasts shaped by the interaction of agricultural practices, waste management, and hydrogeological conditions. Critical zones, although spatially limited, constitute the most alarming hotspots. They are located in irrigated farmlands adjacent to the inter-municipal landfill, where shallow aquifers, highly permeable formations, and favorable topographic gradients create optimal conditions for infiltration. In these areas, the cumulative effect of intensive agrochemical inputs and leachate from solid waste disposal significantly increases the risk of groundwater contamination (Lamouadene &amp; El Morabet, 2025).<\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\">High vulnerability areas are concentrated along the agricultural lands of the left bank of Oued Nfifikh. Here, irrigated farming coincides with the discharge of untreated liquid effluents into the river, and the presence of shallow water tables further amplifies the susceptibility of aquifers to nitrate leaching and other pollutants (Merbouh, et al., 2022).<\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\">Moderate vulnerability zones correspond mainly to intensively irrigated agricultural fields characterized by higher consumption of fertilizers and pesticides. They are generally located on flat terrains and depressions, where elevated piezometric levels and weak natural drainage slow contaminant dilution and favor their accumulation. The proximity of these farmlands to residential clusters, industrial facilities, and quarrying operations further compounds the risks, leading to multi-source pressures on groundwater quality. (Acharya, et al., 2025)<\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\">Low vulnerability areas are associated with rainfed agriculture established on sloping terrains underlain by semi-permeable to impermeable soils. In these zones, elevated piezometric levels, higher drainage capacity, and reduced use of agrochemicals collectively mitigate contamination risks, providing relative protection to groundwater resources. (Acharya, et al., 2025)<\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\">Overall, the results underscore that groundwater vulnerability in Ben Yakhlef is not uniformly distributed but is strongly determined by land use and irrigation intensity. Hydrogeological settings\u2014such as depth to water, permeability, and slope\u2014either exacerbate or buffer these anthropogenic pressures, while the combined influence of agricultural practices and waste management remains the decisive driver of contamination risk (Mabrouki, et al., 2019).<\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\"><strong>Discussion<\/strong><\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\">Groundwater vulnerability in Bni Yakhlef is shaped by the interaction between hydrogeological and topographic conditions and strong human pressures. While shallow aquifers and permeable formations create a naturally fragile setting, contamination risks become critical where they overlap with landfill leachate, intensive irrigation, and urban\u2013industrial activities. (Mabrouki, et al., 2019)<\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\">The modified DRASTIC index, which replaces hydraulic conductivity with land use, proved effective in highlighting the decisive role of human activities (Batchi, 2017). Irrigated farmlands and landfill zones emerged as the most vulnerable hotspots, confirming local evidence of high nitrate levels (Mabrouki, et al., 2019) and supporting international findings that land use often outweighs hydrogeology in groundwater quality control (Batchi, 2017).<\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\">A clear contrast was observed between systems: irrigated agriculture sustains productivity but drives nitrate leaching, while rainfed fields and forested areas show low vulnerability thanks to limited agrochemical inputs and protective natural recharge (Naamane, et al., 2021) (Dzhamalov &amp; Zlobina, 1996). Vulnerability was highest where multiple sources converge, particularly in the landfill\u2013Oued Nfifikh corridor, where agricultural, industrial, and domestic effluents combine (Mabrouki, et al., 2019), echoing patterns reported in other peri-urban areas recharge (Yu, et al., 2024).<\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\">From a management perspective, groundwater protection requires an integrated approach combining stricter monitoring of hotspots, improved fertilizer and irrigation practices, and urgent reforms in solid and liquid waste management. Without these measures, the persistence of nitrate leaching and leachate infiltration will continue to endanger both drinking-water safety and the sustainability of local farming systems.<\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\"><em>Fig.4. Groundwater Pollution Vulnerability of Agricultural Lands in Beni Yakhlef Commune<\/em><\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" width=\"1182\" height=\"1532\" class=\"wp-image-14887\" src=\"http:\/\/www.hnjournal.net\/wp-content\/uploads\/2025\/10\/word-image-14863-2.jpeg\" srcset=\"https:\/\/www.hnjournal.net\/wp-content\/uploads\/2025\/10\/word-image-14863-2.jpeg 1182w, https:\/\/www.hnjournal.net\/wp-content\/uploads\/2025\/10\/word-image-14863-2-231x300.jpeg 231w, https:\/\/www.hnjournal.net\/wp-content\/uploads\/2025\/10\/word-image-14863-2-790x1024.jpeg 790w, https:\/\/www.hnjournal.net\/wp-content\/uploads\/2025\/10\/word-image-14863-2-768x995.jpeg 768w, https:\/\/www.hnjournal.net\/wp-content\/uploads\/2025\/10\/word-image-14863-2-9x12.jpeg 9w\" sizes=\"auto, (max-width: 1182px) 100vw, 1182px\" \/><\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\"><strong>Conclusion<\/strong><\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\">Groundwater in Bni Yakhlef is highly vulnerable, mainly due to irrigated agriculture and waste disposal, with hydrogeological and topographic conditions acting as amplifiers. The modified DRASTIC index, integrating land use, effectively identified the landfill\u2013Oued Nfifikh corridor as the most critical hotspot, confirming that human pressures outweigh natural settings in shaping groundwater quality.<\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\">Findings align with regional studies showing that fertilizer and pesticide use, poor waste management, and the overlap of agricultural, industrial, and residential activities create cumulative risks, while rainfed and forested areas remain less vulnerable. Protecting groundwater therefore requires integrated strategies combining sustainable farming practices, stricter input regulation, and improved waste management to ensure safe drinking water and long-term agricultural sustainability.<\/p>\n<p dir=\"ltr\" style=\"text-align: justify;\"><strong>References<\/strong><\/p>\n<ol dir=\"ltr\">\n<li style=\"text-align: justify;\">Acharya, L. P. P. T. K. e. a., 2025. Pesticide contamination in groundwater: processes, risks, and mitigation strategies. <em>Discover Agriculture, <\/em>p. 152.<\/li>\n<li style=\"text-align: justify;\">Aller, L. B. T. L. J. P. R. a. H. G., 1987. <em>DRASTIC: A standardized system for evaluating ground water pollution potential using hydrogeologic settings, <\/em>U.S: EPA Report 600\/2-87\/035. U.S. Environmental Protection Agency..<\/li>\n<li style=\"text-align: justify;\">Batchi, M. A. K. J. F. I. &amp;. E. M. M., 2017. \u00c9tude comparative de deux mod\u00e8les (DRASTIC et SI) pour l\u2019\u00e9valuation de la sensibilit\u00e9 de la nappe phr\u00e9atique de Mnasra (Maroc nord-occidental) \u00e0 la pollution d\u2019origine agricole. <em>Physio-G\u00e9o, 11. https:\/\/doi.org\/10.4000\/physio-geo.5213, <\/em>p. 43\u201364.<\/li>\n<li>Dzhamalov, R. a. Z. V., 1996. The role of precipitation in groundwater pollution. <em>Springer doi:10.1007\/978-94-009-0205-3_22, <\/em>p. 493\u2013507.<\/li>\n<li>FAO\u2013UNESCO, 1977. Soil Map of the World, 1:5,000,000. <em>Africa. Paris: UNESCO. Disponible sur: https:\/\/www.fao.org\/3\/as357e\/as357e.pdf.<\/em><\/li>\n<li>Google Earth, 2025. Satellite image of Bni Yakhlef, Morocco [Imagery]. <em>Google Earth.<\/em><\/li>\n<li>Lamouadene, Y. &amp;. E. M. R., 2025. Landfill\u2019s leachate impacts on the groundwater quality: A case study in Mohammedia prefecture, Morocco. <em>Environmental Science and Pollution Research.<\/em><\/li>\n<li>Mabrouki, J., El Yadini, A., Bencheikh, I. &amp; Azoula, 2019. Hydrogeological and hydrochemical study of underground waters of the tablecloth in the vicinity of the controlled city dump Mohammedia (Morocco). <em>Springer. https:\/\/doi.org\/10.1007\/978-3-030-11881-5_3, <\/em>p. (AI2SD 2018) (pp. 22\u201333).<\/li>\n<li>Merbouh, C. K. M. N. A. R. A. &amp;. I. N., 2022. Physicochemical Characterization and Metallic Contamination of the Waters of Oued Nfifikh (Morocco). <em>Ecological Engineering &amp; Environmental Technology, <\/em>p. 1\u201311.<\/li>\n<li>meteoblue, 2021. Precipitation data for Ben Yakhlef, Morocco [Dataset]. <em>meteoblue, Retrieved from https:\/\/www.meteoblue.com.<\/em><\/li>\n<li>Minist\u00e8re de l\u2019Environnement du Qu\u00e9bec, 2002. M\u00e9thode DRASTIC: Fiche technique pour l\u2019\u00e9valuation de la vuln\u00e9rabilit\u00e9 des eaux souterraines \u00e0 la pollution. <em>Gouvernement du Qu\u00e9bec. Retrieved from https:\/\/www.environnement.gouv.qc.ca\/eau\/souterraines\/drastic\/fiche-drastic.pdf, <\/em>p. (11 p.).<\/li>\n<li>Naamane, S. K. M. &amp;. A. E. M. A., 2021. Enqu\u00eate sur l\u2019utilisation des engrais et pesticides chez les agriculteurs de la r\u00e9gion de Casablanca-Settat. <em>Researchgate.<\/em><\/li>\n<li>Patel, P. M. D. &amp;. S. N., 2022. A review on the application of the DRASTIC method in the assessment of groundwater vulnerability. <em>Water Science &amp; Technology: Water Supply, <\/em>p. 5190\u20135209.<\/li>\n<li>Sanad, H., 2024. Groundwater pollution by nitrate and salinization in Morocco: a comprehensive review. <em>Journal of Water and Health, <\/em>pp. 1756-1773.<\/li>\n<li>Service g\u00e9ologique du Maroc, 1921. Carte g\u00e9ologique provisoire des environs de Casablanca. <em>[map] Paris: Service g\u00e9ologique du Maroc.<\/em><\/li>\n<li>Survey, B. G., 2019. Africa Groundwater Atlas. <em>British Geological Survey.<\/em><\/li>\n<li>Survey, U. G., 2020. Digital Elevation Model for Bni Yakhlef, Morocco [Dataset]. <em>USGS EarthExplorer: https:\/\/earthexplorer.usgs.gov.<\/em><\/li>\n<li>Yu, D. D. J. J. Q. L. H. Y. C. M. H. &amp;. P. S., 2024. Evaluation of groundwater quality with multi-source pollution based on source identification and health risks.. <em>Science of The Total Environment, <\/em>p. Article 175064.<\/li>\n<\/ol>\n<p>\u00a0<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction Groundwater is a vital resource for Morocco, particularly in regions of intensive agriculture and industry. In Mohammedia Prefecture, aquifer quality is increasingly threatened by uncontrolled landfills, untreated wastewater, and [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_joinchat":[],"footnotes":""},"class_list":["post-14863","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.hnjournal.net\/ar\/wp-json\/wp\/v2\/pages\/14863","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hnjournal.net\/ar\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.hnjournal.net\/ar\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.hnjournal.net\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hnjournal.net\/ar\/wp-json\/wp\/v2\/comments?post=14863"}],"version-history":[{"count":1,"href":"https:\/\/www.hnjournal.net\/ar\/wp-json\/wp\/v2\/pages\/14863\/revisions"}],"predecessor-version":[{"id":14888,"href":"https:\/\/www.hnjournal.net\/ar\/wp-json\/wp\/v2\/pages\/14863\/revisions\/14888"}],"wp:attachment":[{"href":"https:\/\/www.hnjournal.net\/ar\/wp-json\/wp\/v2\/media?parent=14863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}