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 the 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.
Nexşeya înteraktîf JavaScript hewce dike; lîsteya qatan û çavkanî li jêr in.
Qat 4
Av niha, ji bo vê rûpelê
Klavye, dema ku nexşe di fokusê de ye
Ctrl an ⌘ bigire û bizivirîne da ku nêzîk bikî
Ya herî dawî ya heyî
NASA GIBS / EOSDIS · ASTER GDEM (METI, NASA) · Blue Marble (NASA) · © OpenStreetMap contributors (ODbL) · Natural Earth
Wêneyên herî nû yên NASA tê barkirin.
Bikişîne da ku bilivîne. Ctrl an ⌘ û zivirandin, pincandin an bişkojkan ji bo nêzîkkirinê; ji bo nirxên di bin nîşanderê de li ser bisekine; vegerandin vedigere herêmê.
Av niha, li ser Hewzeya Dîcle û Firatê hatiye çarçovekirin.Berhemên peyk û modelê wekî NASA diweşîne, her yek bi dîroka xwe. Nîşander in, ne nirxandinên tu cihî ne.
Qat û dîrok
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 the source register.
| Dane | Rol | Nîşan |
|---|---|---|
| Agreed gauge records at border stations | Reference flows for the agreement | Statîstîkên weşandî |
| Global Runoff Data Centre discharge | Long records for variability | ÇAVDÊRÎKIRÎ |
| Satellite altimetry and surface water extent | Independent level and storage estimates | TEXMÎNKIRÎ |
| GRACE-FO gravimetry | Basin-scale water storage change | MODELKIRÎ |
| Climate projections for the basin | Future flow scenarios | MODELKIRÎ |
Sê malbatên amûran li kêleka hev li hember xeta bingehîn, her yek bi derengmayîn û leza pejirandina xwe, di bin pêwîstî û lihevhatina ku hûn diyar dikin; mezinahiya bandorê nirxên hînkirinê ne û divê bi delîlan bên guhertin. Senaryo: texmînên bi nav ên li ser pêşerojê, ne pêşbînî. Nexşeya vê rûpelê Hewzeya Dîcle û Firatê nîşan dide; modela bixwe bi cihekî ve girêdayî nîne.
Kontrol
Xwendin
| Sal | Xeta bingehîn | Defences and storage | Land-use rules | Warnings and preparedness |
|---|---|---|---|---|
| 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:
Li seranserê şeş stûnan, bi pêşengiya 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.
| Kontrol bikin | How it is done |
|---|---|
| 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.
Li seranserê şeş stûnan, bi pêşengiya Nexus Consortium
Assembled from the Nexus Standards area profile Geopolitical and security risk: the hazards it names, the pergalên 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.
Metirsî
Pergal û girêdan
Kontrol
NS-0 Destûr û prensîbNS-3 UNIyên tomara xetereyê (rêzimanî, nexşeya veguhastina ji pergala kevin, desthilata veqetandinê)NS-9 UNI yên çarçoveyî (belavkirin, mînak, mînakên bernameyê)NS-11 Piştrastkirin û çavdêrî (delîl, erêkirin, çavdêriya lihevhatina zero-trust)NRS-P8 Xetera ewlehî, terorîzm û jeopolîtîkêNRS-H60 Malbata metirsiyê: Qutbûna zincîra dabînkirinê û herikînan (NHS-1 sys.supply-chain)NRS-H62 Malbata metirsiyê: Bûyerên tevhev û pir-metirsî (NHS-1 sys.compound)NRS-H31 Malbata metirsiyê: Madeyên domdar û biyokombûyî (NHS-1 poll.persistent)NRS-H41 Malbata metirsiyê: Derbasbûna ji heywanan bo mirovan (NHS-1 health.zoonotic)NRS-H59 Malbata metirsiyê: Şokên aborî û têkçûna rêveberiyê (NHS-1 soc.economic)Çavdêrî
Erdnîgariya mînakê
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.
Îmze
Av û hevkarên wê
Av dide çandiniyê avdan (0.8), dide enerjiyê ava sarkirinê û hîdroelektrîkê (0.6) û dide cûrbecûrbûna jîndaran herikên jîngehî (0.6).
W · E · I · F · H · B
Amûr, mandat, aktor û rêkxistinên berpirsiyariyê yên ku siyasetmedar, dîplomat an ajansek pêşveçûnê pê re dixebite, bi navkirina lihevkirinên ku wan datînin. Avahî li gorî çarçoveyên hatine nav kirin in. Her rewş an pêşketina hatî kişandin nimûneyî ye, ne tomar e.
The agreements that set mandates and commitments on hydrology for water diplomacy, from adoption to their current horizon.
rêzeya Pergalên Stratejîk 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.
Tu carî daneyên şexsî, hûrgiliyên binesaza hesas an tiştekî ku mafê we yê parvekirinê tune ne neşînin. Beşdarî berî bikaranînê tê nirxandin; şandina wê nivîskarî an mafên edîtorî nade û sponsorî tu carî encamekê nakire.
Agahî û pirs îro vekirî ne. Pirsek referansekê distîne û gava piştî wê dide nasîn; serlêdan, drav, veqetandina hesabkirinê û tomarkirin tenê dema ku tîm, mercên wê û kapasîteya vekolînê hebin vedibin.
Nexşe, dane û jimarên vê malperê ji bo çarçoveyê û agahiyên giştî têne nîşandan. Ew ne şîret, ne pêşbînî û ne hişyarî ne; sînorên agahiyê di Daxuyaniyên Berpirsiyariyê û Daxuyaniyên Daneyê de hatine diyarkirin.
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