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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图层 4
本页面的当前水情
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最新可用
NASA GIBS / EOSDIS · ASTER GDEM (METI, NASA) · Blue Marble (NASA) · © OpenStreetMap贡献者 (ODbL) · Natural Earth
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当前水情,以底格里斯河与幼发拉底河流域为取景。NASA 发布的卫星和模型产品,各带自己的日期。它们是指标,而非对任何地点的评估。
图层与日期
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 来源登记册.
| 数据 | 角色 | 标签 |
|---|---|---|
| Agreed gauge records at border stations | Reference flows for the agreement | 已发布统计 |
| Global Runoff Data Centre discharge | Long records for variability | 观测 |
| Satellite altimetry and surface water extent | Independent level and storage estimates | 估算 |
| GRACE-FO gravimetry | Basin-scale water storage change | 模型估算 |
| Climate projections for the basin | Future flow scenarios | 模型估算 |
三类工具在你设定的覆盖率和遵从率下与基线并列比较,每类都有自己的滞后和采用速度;效应大小是教学用数值,应以证据替换。情景:关于未来的具名假设,不是预测。本页地图显示底格里斯河与幼发拉底河流域;模型本身并不绑定某个地点。
控制措施
读数
| 年份 | 基线 | 防御设施与蓄水 | 土地利用规则 | 预警与备灾 |
|---|---|---|---|---|
| 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:
贯穿六大支柱,由 Nexus Consortium 牵头
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.
| 核查 | 如何开展 |
|---|---|
| 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.
贯穿六大支柱,由 Nexus Consortium 牵头
Assembled from the Nexus Standards area profile 地缘政治与安全风险: the hazards it names, the 系统 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.
灾害
控制措施
NS-0 章程与原则NS-3 风险记录 UNI(语法、旧编码对照、分配机构)NS-9 情境 UNI(部署、实例、计划实例)NS-11 验证与监测(证据、证明、零信任符合性观测)NRS-P8 安全、恐怖主义与地缘政治风险NRS-H60 危害类别:供应链与流动中断(NHS-1 sys.supply-chain)NRS-H62 危害类别:复合与多危害事件(NHS-1 sys.compound)NRS-H31 危害类别:持久性和生物累积性物质(NHS-1 poll.persistent)NRS-H41 危害族:动物向人类的溢出(NHS-1 health.zoonotic)NRS-H59 危害类别:经济冲击与治理失灵(NHS-1 soc.economic)观测
示例地理范围
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.
签名
水及其合作伙伴
水为粮食提供灌溉(0.8),为能源提供冷却水和水电(0.6),为生物多样性提供环境流量(0.6)。
W · E · I · F · H · B
政策制定者、外交官或发展机构所使用的文书、授权、行为方和问责安排,并注明设定它们的协定。结构遵循所列框架。所绘制的任何状态或进展均为说明性,并非记录。
The agreements that set mandates and commitments on hydrology for water diplomacy, from adoption to their current horizon.
报告 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.
切勿发送个人数据、敏感基础设施细节或您无权分享的任何内容。贡献在使用前会经过审查;发送贡献不赋予署名权或编辑权,赞助也绝不能换取研究结论。
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