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 コモンズ.
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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最新の利用可能データ
NASA GIBS / EOSDIS · ASTER GDEM(METI、NASA)· Blue Marble(NASA)· © OpenStreetMap 貢献者(ODbL)· Natural Earth
最新のNASA画像を読み込んでいます。
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現在の水、チグリス・ユーフラテス川流域を枠に収めて。NASA が公開するままの衛星およびモデルのプロダクトで、それぞれに固有の日付があります。指標であり、特定の場所の評価ではありません。
レイヤーと日付
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 出典の登録簿.
| データ | 役割 | ラベル |
|---|---|---|
| Agreed gauge records at border stations | Reference flows for the agreement | 公表統計 |
| Global Runoff Data Centre discharge | Long records for variability | 観測 |
| Satellite altimetry and surface water extent | Independent level and storage estimates | 推定 |
| GRACE-FO gravimetry | Basin-scale water storage change | モデル推計 |
| Climate projections for the basin | Future flow scenarios | モデル推計 |
3 種類の手段を、設定した対象範囲と遵守率のもとでベースラインと並べて比較します。それぞれに固有の遅れと普及速度があり、効果量は証拠で置き換えるべき教材用の値です。シナリオ:未来についての名前の付いた仮定であり、予測ではありません。このページの地図はチグリス・ユーフラテス川流域を示していますが、モデル自体は場所に縛られていません。
管理策
読み取り値
| 年 | ベースライン | 防御施設と貯留 | 土地利用の規則 | 警報と備え |
|---|---|---|---|---|
| 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:
6 本の柱を通じて、Nexus Consortium が主導
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.
| 確認 | 実施方法 |
|---|---|
| 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.
6 本の柱を通じて、Nexus Consortium が主導
Assembled from the Nexus Standards area profile 地政学・安全保障リスク: the hazards it names, the システム 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.
ハザード
システムと連成
管理策
NS-0 憲章と原則NS-3 リスク記録の UNI(文法、旧体系との対照、割当権限)NS-9 文脈 UNI(展開、インスタンス、プログラム・インスタンス)NS-11 検証とモニタリング(エビデンス、証明、ゼロトラストの適合性観測)NRS-P8 安全保障、テロリズム、地政学的リスクNRS-H60 ハザード分類:サプライチェーンと流れの途絶(NHS-1 sys.supply-chain)NRS-H62 ハザード・ファミリー:複合・マルチハザード事象(NHS-1 sys.compound)NRS-H31 ハザード分類:残留性・生物蓄積性物質(NHS-1 poll.persistent)NRS-H41 ハザード・ファミリー:動物からヒトへのスピルオーバー(NHS-1 health.zoonotic)NRS-H59 ハザード・ファミリー:経済ショックとガバナンスの失敗(NHS-1 soc.economic)観測
例示の地理
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.
署名
水とそのパートナー
水は食料に灌漑(0.8)を、エネルギーに冷却水と水力(0.6)を、生物多様性に環境流量(0.6)をもたらします。
W · E · I · F · H · B
政策立案者、外交官、開発機関が扱う文書、委任、アクター、説明責任の仕組みを、それらを定める協定を引用して示します。構造は挙げられた枠組みに従います。示される状態や進捗は例示であり、記録ではありません。
The agreements that set mandates and commitments on hydrology for water diplomacy, from adoption to their current horizon.
報告書 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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