Joint basin water accounts
Riparians agree a common method to account for inflows, uses, storage and outflow by country, so allocation talks start from one account with stated error rather than competing national estimates.
GRF · Diplomacy Nexus
Hydrology gives water diplomacy its shared baseline: how much water a basin yields, how it varies, how upstream use changes downstream flow and how drought and flood travel across borders. Comparable, jointly accepted hydrological evidence is often the first product of a basin institution.
Hydrology studies the movement, distribution and quality of water across the land surface, subsurface and atmosphere. It underpins the assessment of floods, droughts and water supply, which affect food, energy, health and infrastructure together. In diplomacy and cooperation, water and climate and hazards, hydrological estimates set design standards for dams, levees and drainage and inform water allocation between competing users. They link climate hazards to downstream effects on power generation, crops and public health. The canonical description is on STEM Commons.
Riparians agree a common method to account for inflows, uses, storage and outflow by country, so allocation talks start from one account with stated error rather than competing national estimates.
Flow records and climate scenarios are used to test how proportional shares, minimum flows and drought clauses would have performed in past dry periods, informing treaty drafting and review.
Upstream gauges, rainfall forecasts and travel times are combined to set when warnings must pass to downstream authorities, and which data protocols are needed to meet that timing.
Flood water, rain, root-zone soil moisture and population density over the Tigris and Euphrates Basin, from NASA GIBS. Each layer carries its own date.
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Lapisan 4
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Terbaru yang tersedia
NASA GIBS / EOSDIS · ASTER GDEM (METI, NASA) · Blue Marble (NASA) · © kontributor OpenStreetMap (ODbL) · Natural Earth
Memuat citra NASA terbaru.
Seret untuk menggeser. Ctrl atau ⌘ dan gulir, cubit, atau gunakan tombol untuk memperbesar. Arahkan kursor untuk melihat nilai di bawah penunjuk. Setel ulang untuk kembali ke wilayah.
Air saat ini, dibingkai pada Daerah Aliran Sungai Tigris dan Efrat.Produk satelit dan model sebagaimana diterbitkan NASA, masing-masing dengan tanggalnya sendiri. Produk ini adalah indikator, bukan penilaian atas tempat mana pun.
Lapisan dan tanggal
Datasets and records used by hydrology and water science on this platform, with the role each plays and the label its values carry. Sources are listed in register sumber.
| Data | Peran | Label |
|---|---|---|
| Agreed gauge records at border stations | Reference flows for the agreement | Statistik yang diterbitkan |
| Global Runoff Data Centre discharge | Long records for variability | TERAMATI |
| Satellite altimetry and surface water extent | Independent level and storage estimates | ESTIMASI |
| GRACE-FO gravimetry | Basin-scale water storage change | DIMODELKAN |
| Climate projections for the basin | Future flow scenarios | DIMODELKAN |
Tiga keluarga instrumen berdampingan terhadap garis dasar, masing-masing dengan jeda dan kecepatan adopsinya sendiri, di bawah cakupan dan kepatuhan yang Anda tetapkan; ukuran efek adalah nilai pengajaran yang harus diganti dengan bukti. Skenario: asumsi bernama tentang masa depan, bukan prakiraan. Peta pada halaman ini menampilkan Cekungan Tigris dan Efrat; modelnya sendiri tidak terikat pada suatu tempat.
Kendali
Pembacaan
| Tahun | Garis dasar | Pertahanan dan tampungan | Aturan tata guna lahan | Peringatan dan kesiapsiagaan |
|---|---|---|---|---|
| 0 | 100.0 | 99.7 | 98.9 | 98.7 |
| 1 | 102.0 | 101.5 | 100.4 | 98.7 |
| 2 | 104.0 | 103.1 | 101.8 | 97.5 |
| 3 | 106.1 | 104.4 | 102.8 | 96.8 |
| 4 | 108.2 | 105.2 | 103.6 | 97.5 |
| 5 | 110.4 | 105.2 | 104.1 | 99.0 |
| 6 | 112.6 | 104.4 | 104.3 | 100.9 |
| 7 | 114.9 | 102.7 | 104.3 | 102.8 |
| 8 | 117.2 | 100.6 | 104.3 | 104.9 |
| 9 | 119.5 | 98.9 | 104.4 | 107.0 |
| 10 | 121.9 | 97.9 | 104.7 | 109.1 |
| 11 | 124.3 | 97.9 | 105.3 | 111.3 |
| 12 | 126.8 | 98.6 | 106.3 | 113.5 |
| 13 | 129.4 | 99.8 | 107.6 | 115.8 |
| 14 | 131.9 | 101.3 | 109.1 | 118.1 |
| 15 | 134.6 | 103.1 | 110.8 | 120.5 |
| 16 | 137.3 | 105.0 | 112.7 | 122.9 |
| 17 | 140.0 | 107.0 | 114.8 | 125.3 |
| 18 | 142.8 | 109.1 | 116.9 | 127.8 |
| 19 | 145.7 | 111.3 | 119.1 | 130.4 |
| 20 | 148.6 | 113.5 | 121.4 | 133.0 |
The model runs on the teaching values set by the controls. To calibrate it for a place, read it against these admitted layers and series, which this page’s map can draw:
Di seluruh enam pilar, dipimpin oleh Nexus Consortium
Models are calibrated on one period of observed flows and tested on an independent period or neighbouring catchment. Skill scores and comparison with surveyed flood extents are used to judge performance.
| Pemeriksaan | Cara pelaksanaannya |
|---|---|
| Method agreed first | Riparians agree the accounting method before any results are produced |
| Cross-border consistency | Flows at successive stations across the border are checked for mass balance |
| Independent estimate | Satellite estimates are compared with agreed gauges and the differences reported, not hidden |
| Scenario transparency | Every allocation test states the climate and demand scenarios it uses |
Assumptions of stationarity weaken as climate and land use change. Ungauged basins, karst aquifers and rapid urbanisation are poorly represented by parameters fitted elsewhere.
The chain from an impact model to an evaluated early action, each step with the pillar that runs it, and the decisions that stay with the authorities. Teaching model with stated illustrative values, not a prediction. The map on this page shows The Tigris and Euphrates Basin; the model itself is not tied to a place.
Di seluruh enam pilar, dipimpin oleh Nexus Consortium
Disusun dari profil bidang Nexus Standards profil area Risiko geopolitik dan keamanan: bahaya yang disebutkannya, sistem and communities that carry the loss, the controls and institutions that dampen it and the data that observe it. Pick an initiating event and step through the cascade to see where mandates meet and which decisions fall to whom. The Map view places the run on an example geography with open data. Every weight is a stated assumption. An exercise for dialogue, not a forecast, an assessment or a position. To model a place of your own choosing, open the full System Builder.
Bahaya
Sistem dan keterkaitan
Kendali
NS-0 Anggaran dasar dan prinsipNS-3 UNI catatan risiko (tata bahasa, pemetaan ke sistem lama, kewenangan alokasi)NS-9 UNI kontekstual (penerapan, instans, instans program)NS-11 Verifikasi dan pemantauan (bukti, atestasi, pengamatan kesesuaian zero trust)NRS-P8 Keamanan, terorisme, dan risiko geopolitikNRS-H60 Kelompok bahaya: Gangguan rantai pasok dan aliran (NHS-1 sys.supply-chain)NRS-H62 Keluarga bahaya: Peristiwa majemuk dan multibahaya (NHS-1 sys.compound)NRS-H31 Keluarga bahaya: Zat persisten dan bioakumulatif (NHS-1 poll.persistent)NRS-H41 Keluarga bahaya: Limpahan dari hewan ke manusia (NHS-1 health.zoonotic)NRS-H59 Keluarga bahaya: Guncangan ekonomi dan kegagalan tata kelola (NHS-1 soc.economic)Pengamatan
Contoh geografi
Water Nexus stewards hydrology and water science for the Consortium and reviews how it is applied across platforms.
The sectors a policy on hydrology for water diplomacy has to coordinate: a choice in one ministry lands in the others.
Tanda tangan
Air dan mitranya
Air memberi irigasi bagi pangan (0,8), air pendingin dan tenaga air bagi energi (0,6), dan aliran lingkungan bagi keanekaragaman hayati (0,6).
W · E · I · F · H · B
Instrumen, mandat, aktor, dan pengaturan akuntabilitas yang digunakan pembuat kebijakan, diplomat, atau lembaga pembangunan, dengan merujuk perjanjian yang menetapkannya. Struktur mengikuti kerangka yang disebutkan. Setiap kondisi atau kemajuan yang digambarkan bersifat ilustratif, bukan catatan.
The agreements that set mandates and commitments on hydrology for water diplomacy, from adoption to their current horizon.
Laporan is the Consortium’s quarterly publication. What you know about this subject can become evidence, a case or a correction in the next edition, credited to you and published under CC BY 4.0 where it is your own work.
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