[{"data":1,"prerenderedAt":25},["ShallowReactive",2],{"dataset-ebf0005b-f5fe-4c6c-ab6d-28778167d025":3},{"entry":4,"body":24},{"id":5,"slug":6,"title":7,"organization":8,"organization_slug":9,"summary_he":10,"tags_he":11,"primary_resource_id":17,"formats":18,"metadata_modified":20,"dataset_kind":21,"related_ids":22,"version":23},"ebf0005b-f5fe-4c6c-ab6d-28778167d025","dead-sea-level","מפלס ים המלח","הרשות הממשלתית למים ולביוב","water_authority","נתונים חודשיים של מפלס ים המלח משנת 1976 ועד היום — מציגים ירידה מצטברת של כ-41.8 מטר בקצב של כ-0.84 מ' לשנה.",[12,13,14,15,16],"ים המלח","מפלס מים","הידרולוגיה","סביבה","סדרת זמן","823479b4-4771-43d8-9189-6a2a1dcaaf10",[19],"CSV","2026-04-24T08:44:42.134011","timeseries",[],1,"\u003C!-- מפלס ים המלח — body fragment for GovData.IL -->\n\u003Ch1 class=\"text-3xl font-bold text-ink-deep mb-3\">מפלס ים המלח\u003C\u002Fh1>\n\n\u003Cdiv class=\"flex flex-wrap gap-2 mb-5\">\n  \u003Cspan class=\"tag-chip\">ים המלח\u003C\u002Fspan>\n  \u003Cspan class=\"tag-chip\">מפלסי מים\u003C\u002Fspan>\n  \u003Cspan class=\"tag-chip\">שינוי אקלימי\u003C\u002Fspan>\n  \u003Cspan class=\"tag-chip\">הידרולוגיה\u003C\u002Fspan>\n  \u003Cspan class=\"tag-chip\">נהר הירדן\u003C\u002Fspan>\n\u003C\u002Fdiv>\n\n\u003C!-- AI Summary -->\n\u003Csection class=\"card p-5 mb-4\">\n  \u003Cdiv class=\"flex items-start gap-3\">\n    \u003Cimg src=\"\u002Ficons\u002Fcircle-check.svg\" alt=\"\" class=\"w-5 h-5 text-ok mt-0.5 shrink-0\" style=\"filter: invert(39%) sepia(68%) saturate(395%) hue-rotate(100deg) brightness(95%) contrast(90%);\">\n    \u003Cdiv>\n      \u003Cdiv class=\"flex items-center gap-2 mb-2\">\n        \u003Cspan class=\"font-semibold text-ink-deep\">סיכום הנתונים\u003C\u002Fspan>\n        \u003Cspan class=\"badge\" style=\"background:#d4edda;color:#155724;\">מהימנות גבוהה\u003C\u002Fspan>\n      \u003C\u002Fdiv>\n      \u003Cp class=\"text-ink leading-relaxed\">\n        מסד הנתונים מכיל \u003Cstrong>687 מדידות חודשיות\u003C\u002Fstrong> של מפלס ים המלח מאוקטובר 1976 ועד מרץ 2026,\n        המתועדות על ידי השירות ההידרולוגי ברשות הממשלתית למים ולביוב.\n        במהלך 50 שנות המדידה ירד המפלס ב-\u003Cstrong>41.84 מטר\u003C\u002Fstrong> בסך הכול — מ-\u003Cspan dir=\"ltr\">398.95−\u003C\u002Fspan> מ' ל-\u003Cspan dir=\"ltr\">440.79−\u003C\u002Fspan> מ' —\n        בקצב ממוצע של כ-\u003Cstrong>0.84 מטר לשנה\u003C\u002Fstrong>.\n        ירידה זו נובעת מהפחתה כמעט מוחלטת של זרימת מי הירדן והירמוך, לצד שאיבה תעשייתית מואצת בשני עברי הגבול.\n      \u003C\u002Fp>\n    \u003C\u002Fdiv>\n  \u003C\u002Fdiv>\n\u003C\u002Fsection>\n\n\u003C!-- KPI Cards -->\n\u003Cdiv class=\"grid grid-cols-2 gap-3 mb-4\" style=\"grid-template-columns: repeat(4,1fr);\">\n  \u003Cdiv class=\"card p-4 text-center\">\n    \u003Cdiv class=\"text-2xl font-bold text-brand\" dir=\"ltr\">−440.79\u003C\u002Fdiv>\n    \u003Cdiv class=\"text-sm text-subtle mt-1\">מפלס נוכחי (מ', מרץ 2026)\u003C\u002Fdiv>\n  \u003C\u002Fdiv>\n  \u003Cdiv class=\"card p-4 text-center\">\n    \u003Cdiv class=\"text-2xl font-bold\" style=\"color:#dc3545;\" dir=\"ltr\">−41.84\u003C\u002Fdiv>\n    \u003Cdiv class=\"text-sm text-subtle mt-1\">ירידה כוללת מ-1976 (מ')\u003C\u002Fdiv>\n  \u003C\u002Fdiv>\n  \u003Cdiv class=\"card p-4 text-center\">\n    \u003Cdiv class=\"text-2xl font-bold\" style=\"color:#dc3545;\" dir=\"ltr\">−0.84\u003C\u002Fdiv>\n    \u003Cdiv class=\"text-sm text-subtle mt-1\">ירידה שנתית ממוצעת (מ'\u002Fשנה)\u003C\u002Fdiv>\n  \u003C\u002Fdiv>\n  \u003Cdiv class=\"card p-4 text-center\">\n    \u003Cdiv class=\"text-2xl font-bold text-ink-deep\">687\u003C\u002Fdiv>\n    \u003Cdiv class=\"text-sm text-subtle mt-1\">מדידות חודשיות (1976–2026)\u003C\u002Fdiv>\n  \u003C\u002Fdiv>\n\u003C\u002Fdiv>\n\n\u003C!-- Insights -->\n\u003Csection class=\"card p-5 mb-4\">\n  \u003Ch2 class=\"text-lg font-semibold text-ink-deep mb-3 flex items-center gap-2\">\n    \u003Cimg src=\"\u002Ficons\u002Ftriangle-alert.svg\" alt=\"\" class=\"w-5 h-5\" style=\"filter: invert(63%) sepia(78%) saturate(600%) hue-rotate(5deg) brightness(105%) contrast(95%);\">\n    ממצאים מרכזיים\n  \u003C\u002Fh2>\n  \u003Cul class=\"space-y-2 text-ink\">\n    \u003Cli class=\"flex gap-2\">\n      \u003Cspan class=\"text-brand font-bold shrink-0\">•\u003C\u002Fspan>\n      \u003Cspan>מאז 1976 ירד המפלס \u003Cstrong>41.84 מטר\u003C\u002Fstrong> (מ-\u003Cspan dir=\"ltr\">398.95−\u003C\u002Fspan> ל-\u003Cspan dir=\"ltr\">440.79−\u003C\u002Fspan> מ') — ירידה מצטברת חסרת תקדים בכל ים סגור בעולם.\u003C\u002Fspan>\n    \u003C\u002Fli>\n    \u003Cli class=\"flex gap-2\">\n      \u003Cspan class=\"text-brand font-bold shrink-0\">•\u003C\u002Fspan>\n      \u003Cspan>שנות הירידה החמורות ביותר: \u003Cstrong>2012 (1.45− מ')\u003C\u002Fstrong>, 2008 (1.40−), 2017 (1.35−) ו-2025 (1.33−). בשנים 1980, 1981 ו-1992 נרשמה עלייה קלה של המפלס, ככל הנראה בעקבות שנות גשם חריגות.\u003C\u002Fspan>\n    \u003C\u002Fli>\n    \u003Cli class=\"flex gap-2\">\n      \u003Cspan class=\"text-brand font-bold shrink-0\">•\u003C\u002Fspan>\n      \u003Cspan>דפוס עונתי עקבי: המפלס מגיע לשיא בחודשי האביב (מרץ–אפריל, +0.32 מ' מהממוצע השנתי) ולשפל בסוף הסתיו (נובמבר–דצמבר, עד 0.51− מ' מהממוצע). הסיבה: גשמי החורף מגיעים לים בחודשים הראשונים של השנה, ואילו בקיץ שוררת התאדות גבוהה.\u003C\u002Fspan>\n    \u003C\u002Fli>\n    \u003Cli class=\"flex gap-2\">\n      \u003Cspan class=\"text-brand font-bold shrink-0\">•\u003C\u002Fspan>\n      \u003Cspan>בשני העשורים האחרונים (2005–2025) הקצב הממוצע עלה ל-\u003Cstrong>1.07− מ' לשנה\u003C\u002Fstrong>, לעומת 0.57− מ' לשנה בעשור 1976–1985, מה שמעיד על האצת הירידה לאורך הזמן.\u003C\u002Fspan>\n    \u003C\u002Fli>\n    \u003Cli class=\"flex gap-2\">\n      \u003Cspan class=\"text-brand font-bold shrink-0\">•\u003C\u002Fspan>\n      \u003Cspan>המפלס האחרון שנמדד (\u003Cstrong>25 מרץ 2026: \u003Cspan dir=\"ltr\">−440.79\u003C\u002Fspan> מ'\u003C\u002Fstrong>) הוא הנמוך ביותר מאז תחילת הרישום השיטתי בשנת 1900, אז עמד המפלס על כ-\u003Cspan dir=\"ltr\">−392\u003C\u002Fspan> מ'.\u003C\u002Fspan>\n    \u003C\u002Fli>\n  \u003C\u002Ful>\n\u003C\u002Fsection>\n\n\u003C!-- Chart 1: Full time series -->\n\u003Csection class=\"card p-5 mb-5\">\n  \u003Ch2 class=\"text-lg font-semibold text-ink-deep mb-1\">מפלס ים המלח לאורך הזמן (1976–2026)\u003C\u002Fh2>\n  \u003Cp class=\"text-sm text-subtle mb-3\">687 מדידות חודשיות; ערכים ב-מטרים מתחת לפני הים (שלילי = מתחת לאפס)\u003C\u002Fp>\n  \u003Cdiv id=\"chart-timeseries\" style=\"height:380px;\">\u003C\u002Fdiv>\n\u003C\u002Fsection>\n\n\u003C!-- Chart 2: Annual rate of change -->\n\u003Csection class=\"card p-5 mb-5\">\n  \u003Ch2 class=\"text-lg font-semibold text-ink-deep mb-1\">שינוי שנתי במפלס (מ' לשנה)\u003C\u002Fh2>\n  \u003Cp class=\"text-sm text-subtle mb-3\">הפרש ממוצעי שנתי בין שנה לקודמתה; עמודות כחולות = ירידה, ירוקות = עלייה\u003C\u002Fp>\n  \u003Cdiv id=\"chart-yoy\" style=\"height:320px;\">\u003C\u002Fdiv>\n\u003C\u002Fsection>\n\n\u003C!-- Chart 3: Seasonal pattern -->\n\u003Csection class=\"card p-5 mb-5\">\n  \u003Ch2 class=\"text-lg font-semibold text-ink-deep mb-1\">דפוס עונתי — סטייה ממוצעת מהממוצע השנתי (מ')\u003C\u002Fh2>\n  \u003Cp class=\"text-sm text-subtle mb-3\">חישוב על בסיס כלל המדידות 1976–2025; מראה עד כמה המפלס גבוה או נמוך בכל חודש ביחס לממוצע השנתי\u003C\u002Fp>\n  \u003Cdiv id=\"chart-seasonal\" style=\"height:280px;\">\u003C\u002Fdiv>\n\u003C\u002Fsection>\n\n\u003C!-- Notes -->\n\u003Csection class=\"card p-5 mb-4\" style=\"background:#f8fbff;\">\n  \u003Ch2 class=\"text-base font-semibold text-ink-deep mb-2\">אודות הנתונים\u003C\u002Fh2>\n  \u003Cp class=\"text-ink text-sm leading-relaxed\">\n    נתונים חודשיים של מפלס ים המלח משנת 1976. בעשורים האחרונים יורד מפלס ים המלח בקצב של כמטר בשנה,\n    כתוצאה ממניעה כמעט מוחלטת של כניסות מים מנהר הירדן (הקמת סכר דגניה בשנת 1964) ומהירמוך (הקמת סכרים על הירמוך בסוריה וירדן)\n    וכן כתוצאה מפעולות אנטרופגניות כגון שאיבות בצד הישראלי והירדני (מפעלי ים המלח הישראליים והירדנים).\n    ירידת מפלס זו הביאה לנזקים תשתיתיים ותיירותיים, הן בשל נסיגת קו החוף והן בשל היווצרות הבולענים\n    (בורות עגולים ועמוקים הנוצרים בשל המסת סלעי מלח בעומק).\n    הבולענים בחופי ים המלח הפכו למטרד תשתיתי הפוגע בכבישים, צינורות, בתי מלון ועוד.\n    מדידות רשמיות של מפלסי ים המלח קיימות משנת 1900, אז עמד המפלס על רום של \u003Cspan dir=\"ltr\">−392\u003C\u002Fspan> מ'\n    (לעומת מפלס של \u003Cspan dir=\"ltr\">−424\u003C\u002Fspan> מ' בדצמבר 2010).\n    כיום, מדידות מפלס ים המלח מתבצעות באחריותו של השירות ההידרולוגי ברשות הממשלתית למים ולביוב.\n  \u003C\u002Fp>\n\u003C\u002Fsection>\n\n\u003Cstyle>\n  #chart-timeseries, #chart-yoy, #chart-seasonal { width: 100%; }\n\u003C\u002Fstyle>\n\n\u003Cscript>\n(function () {\n  const GOVIL_PALETTE = [\n    '#0068f5','#0b3668','#6c9fd8','#0053c4','#0c3058',\n    '#3d70b0','#b7d2f7','#2658a0','#dbe8fb','#0c1f3d'\n  ];\n\n  const baseECharts = {\n    color: GOVIL_PALETTE,\n    textStyle: { fontFamily: 'Rubik, sans-serif', color: 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 const annualAvg = [[1976,-399.027],[1977,-399.327],[1978,-399.887],[1979,-400.564],[1980,-400.122],[1981,-400.068],[1982,-400.842],[1983,-401.486],[1984,-402.533],[1985,-403.204],[1986,-403.979],[1987,-404.87],[1988,-405.22],[1989,-406.184],[1990,-407.139],[1991,-407.877],[1992,-407.002],[1993,-407.074],[1994,-407.869],[1995,-408.528],[1996,-409.557],[1997,-410.385],[1998,-411.358],[1999,-412.494],[2000,-413.732],[2001,-414.823],[2002,-415.788],[2003,-416.19],[2004,-417.115],[2005,-417.979],[2006,-418.993],[2007,-420.046],[2008,-421.45],[2009,-422.601],[2010,-423.465],[2011,-424.746],[2012,-426.192],[2013,-427.116],[2014,-428.237],[2015,-429.176],[2016,-430.292],[2017,-431.642],[2018,-432.713],[2019,-433.783],[2020,-434.612],[2021,-435.748],[2022,-436.994],[2023,-438.002],[2024,-438.949],[2025,-440.28],[2026,-440.78]];\n\n  const yoyData = [[1977,-0.3],[1978,-0.56],[1979,-0.678],[1980,0.443],[1981,0.054],[1982,-0.774],[1983,-0.644],[1984,-1.047],[1985,-0.671],[1986,-0.775],[1987,-0.891],[1988,-0.35],[1989,-0.964],[1990,-0.955],[1991,-0.737],[1992,0.875],[1993,-0.072],[1994,-0.795],[1995,-0.659],[1996,-1.028],[1997,-0.828],[1998,-0.972],[1999,-1.137],[2000,-1.237],[2001,-1.091],[2002,-0.965],[2003,-0.402],[2004,-0.926],[2005,-0.864],[2006,-1.014],[2007,-1.053],[2008,-1.404],[2009,-1.151],[2010,-0.864],[2011,-1.282],[2012,-1.446],[2013,-0.924],[2014,-1.121],[2015,-0.939],[2016,-1.116],[2017,-1.35],[2018,-1.071],[2019,-1.07],[2020,-0.83],[2021,-1.135],[2022,-1.246],[2023,-1.008],[2024,-0.947],[2025,-1.331],[2026,-0.5]];\n\n  const monthNames = ['ינואר','פברואר','מרץ','אפריל','מאי','יוני','יולי','אוגוסט','ספטמבר','אוקטובר','נובמבר','דצמבר'];\n  const monthDev = [0.289,0.291,0.307,0.323,0.266,0.166,0.015,-0.118,-0.258,-0.366,-0.469,-0.512];\n\n  \u002F* ── Chart 1: Full time series ── *\u002F\n  (function () {\n    const dom = document.getElementById('chart-timeseries');\n    if (!dom || !window.echarts) return;\n    const chart = echarts.init(dom, null, { renderer: 'canvas' });\n\n    const dates = tsData.map(d => d[0]);\n    const levels = tsData.map(d => d[1]);\n\n    const option = Object.assign({}, baseECharts, {\n      tooltip: Object.assign({}, baseECharts.tooltip, {\n        trigger: 'axis',\n        formatter: function (params) {\n          const p = params[0];\n          return '\u003Cdiv style=\"direction:rtl;font-family:Rubik\">' +\n            '\u003Cstrong>' + p.axisValue + '\u003C\u002Fstrong>\u003Cbr>' +\n            'מפלס: \u003Cstrong>' + p.value.toFixed(2) + ' מ\\'\u003C\u002Fstrong>\u003C\u002Fdiv>';\n        }\n      }),\n      xAxis: {\n        type: 'category',\n        data: dates,\n        axisLabel: {\n          fontFamily: 'Rubik',\n          color: '#0c3058',\n          rotate: 30,\n          interval: 59,\n          formatter: function (v) { return v.slice(0,4); }\n        },\n        axisLine: { lineStyle: { color: '#c3cfe7' } }\n      },\n      yAxis: {\n        type: 'value',\n        name: 'מ\\' (מת\"ה)',\n        nameLocation: 'end',\n        nameTextStyle: { fontFamily: 'Rubik', color: '#6c757d', fontSize: 12 },\n        min: -445,\n        max: -396,\n        axisLabel: {\n          fontFamily: 'Rubik',\n          color: '#0c3058',\n          formatter: function (v) { return v.toFixed(0); }\n        },\n        splitLine: { lineStyle: { color: '#e8eef8', type: 'dashed' } }\n      },\n      series: [{\n        name: 'מפלס ים המלח',\n        type: 'line',\n        data: levels,\n        smooth: false,\n        symbol: 'none',\n        lineStyle: { color: '#0068f5', width: 1.5 },\n        areaStyle: {\n          color: {\n            type: 'linear', x: 0, y: 0, x2: 0, y2: 1,\n            colorStops: [\n              { offset: 0, color: 'rgba(0,104,245,0.18)' },\n              { offset: 1, color: 'rgba(0,104,245,0.02)' }\n            ]\n          }\n        },\n        markLine: {\n          silent: true,\n          symbol: 'none',\n          lineStyle: { type: 'dashed', color: '#dc3545', width: 1.2 },\n          data: [\n            { yAxis: -398.95, name: '1976: −398.95' },\n            { yAxis: -440.79, name: '2026: −440.79' }\n          ],\n          label: {\n            fontFamily: 'Rubik',\n            color: '#dc3545',\n            fontSize: 11,\n            formatter: function (p) { return p.name; }\n          }\n        }\n      }]\n    });\n\n    chart.setOption(option);\n    window.addEventListener('resize', function () { chart.resize(); });\n  })();\n\n  \u002F* ── Chart 2: Year-over-year change ── *\u002F\n  (function () {\n    const dom = document.getElementById('chart-yoy');\n    if (!dom || !window.echarts) return;\n    const chart = echarts.init(dom, null, { renderer: 'canvas' });\n\n    const years = yoyData.map(d => String(d[0]));\n    const vals = yoyData.map(d => d[1]);\n    const colors = vals.map(v => v >= 0 ? '#198754' : '#0068f5');\n\n    const option = Object.assign({}, baseECharts, {\n      tooltip: Object.assign({}, baseECharts.tooltip, {\n        trigger: 'axis',\n        formatter: function (params) {\n          const p = params[0];\n          const sign = p.value >= 0 ? '+' : '';\n          return '\u003Cdiv style=\"direction:rtl;font-family:Rubik\">' +\n            '\u003Cstrong>' + p.axisValue + '\u003C\u002Fstrong>\u003Cbr>' +\n            'שינוי: \u003Cstrong>' + sign + p.value.toFixed(3) + ' מ\\'\u003C\u002Fstrong>\u003C\u002Fdiv>';\n        }\n      }),\n      xAxis: {\n        type: 'category',\n        data: years,\n        axisLabel: {\n          fontFamily: 'Rubik',\n          color: '#0c3058',\n          rotate: 45,\n          interval: 4,\n          fontSize: 11\n        },\n        axisLine: { lineStyle: { color: '#c3cfe7' } }\n      },\n      yAxis: {\n        type: 'value',\n        name: 'שינוי (מ\\')',\n        nameLocation: 'end',\n        nameTextStyle: { fontFamily: 'Rubik', color: '#6c757d', fontSize: 12 },\n        axisLabel: { fontFamily: 'Rubik', color: '#0c3058' },\n        splitLine: { lineStyle: { color: '#e8eef8', type: 'dashed' } },\n        markLine: { data: [{ yAxis: 0 }] }\n      },\n      series: [{\n        name: 'שינוי שנתי',\n        type: 'bar',\n        data: vals.map((v, i) => ({\n          value: v,\n          itemStyle: { color: colors[i] }\n        })),\n        barMaxWidth: 14\n      }]\n    });\n\n    chart.setOption(option);\n    window.addEventListener('resize', function () { chart.resize(); });\n  })();\n\n  \u002F* ── Chart 3: Seasonal pattern ── *\u002F\n  (function () {\n    const dom = document.getElementById('chart-seasonal');\n    if (!dom || !window.echarts) return;\n    const chart = echarts.init(dom, null, { renderer: 'canvas' });\n\n    const barColors = monthDev.map(v => v >= 0 ? '#3d70b0' : '#0053c4');\n\n    const option = Object.assign({}, baseECharts, {\n      tooltip: Object.assign({}, baseECharts.tooltip, {\n        trigger: 'axis',\n        formatter: function (params) {\n          const p = params[0];\n          const sign = p.value >= 0 ? '+' : '';\n          return '\u003Cdiv style=\"direction:rtl;font-family:Rubik\">' +\n            '\u003Cstrong>' + p.axisValue + '\u003C\u002Fstrong>\u003Cbr>' +\n            'סטייה: \u003Cstrong>' + sign + p.value.toFixed(3) + ' מ\\'\u003C\u002Fstrong>\u003C\u002Fdiv>';\n        }\n      }),\n      xAxis: {\n        type: 'category',\n        data: monthNames,\n        axisLabel: { fontFamily: 'Rubik', color: '#0c3058', fontSize: 12 },\n        axisLine: { lineStyle: { color: '#c3cfe7' } }\n      },\n      yAxis: {\n        type: 'value',\n        name: 'סטייה ממוצעת (מ\\')',\n        nameLocation: 'end',\n        nameTextStyle: { fontFamily: 'Rubik', color: '#6c757d', fontSize: 12 },\n        axisLabel: { fontFamily: 'Rubik', color: '#0c3058' },\n        splitLine: { lineStyle: { color: '#e8eef8', type: 'dashed' } }\n      },\n      series: [{\n        name: 'סטייה מהממוצע השנתי',\n        type: 'bar',\n        data: monthDev.map((v, i) => ({\n          value: v,\n          itemStyle: { color: barColors[i] }\n        })),\n        barMaxWidth: 40,\n        label: {\n          show: true,\n          position: function (params) { return params.value >= 0 ? 'top' : 'bottom'; },\n          fontFamily: 'Rubik',\n          fontSize: 11,\n          color: '#0c3058',\n          formatter: function (params) {\n            const sign = params.value >= 0 ? '+' : '';\n            return sign + params.value.toFixed(2);\n          }\n        }\n      }]\n    });\n\n    chart.setOption(option);\n    window.addEventListener('resize', function () { chart.resize(); });\n  })();\n\n})();\n\u003C\u002Fscript>\n",1777129050897]