GCRI · Rêveberiya xetera pergalî

Sêwirandina senaryoyan û ceribandina bin zextê

Scenario design and stress testing are the method this platform stewards for the network. They turn severe but plausible events into structured tests of plans, buffers and dependencies. In xetera pergalî management they are used to probe cross-sector cascades, to find breaking points and to compare preparedness across institutions on common assumptions.

01Qeyd

Scenario design and stress testing on the record.

Method recordSTEM method
  1. RêbazSêwirandina senaryoyan û ceribandina bin zextê
  2. Parêzvanxetera pergalî Management
  3. Applied inRêveberiya xetera pergalî
  4. Canonical pageSTEM Commons
02Application

What scenario design and stress testing does here.

Scenario design and stress testing construct plausible, severe future conditions to examine how pergalan and institutions would perform. They complement probabilistic analysis where data are scarce or futures are deeply uncertain. In risk management and xetera pergalî and methods and modelling, stress tests reveal vulnerabilities that arise when several risks materialise together. They inform capital, contingency and coordination plans across sectors. The canonical description is on STEM Commons.

Cross-sector scenario design

Scenarios are built with a trigger, severity, timing and conditions, then traced through the dependencies of energy, water, communications, finance and public services, with every assumption written down.

Reverse stress testing

Starting from a defined failure, such as a service stopping, analysts search for combinations of events that would cause it and document which ones are plausible.

Second-round effects

Tests add the reactions of institutions during a crisis, such as asset sales, supply hoarding or service cuts, to see how responses amplify or dampen the initial shock.

03Simulator

Stok, herik, dereng û sînorê guherînê.

Du stok, zext û kapasîteya adaptasyonê, bi xelekeyeke mezinbûnê ya xurtker, bersiveke hevsengiyê ya dereng û zirarê dema ku zext ji kapasîteyê derbas dibe têne girêdan; li derveyî sînor pergal dikare biguhere. Modela fêrkirinê bi nirxên nimûneyî yên diyarkirî, ne pêşbînî.

Kontrol

Zêdebûna zextê
6.0% salê
Bandora kapasîteyê di kêmkirina zextê de
4.0% salê
Bersiva veberhênanê li hember zextê ya hatî dîtin
20%
Derengiya têgihîştinê
4.0 sal
Sînorê guherînê yê zextê
60 indeks
Zêdebûn li derveyî sînor
2.0 carî
Salên simulekirî
50 sal

Xwendin

Zexta herî bilind
113 nîşander
Kapasîte di dawiyê de
186 indeks
Salên li ser sînor
15.8 sal
Jimar, rêbaz û çavkanî
SalZextêKapasîteHatî dîtin
020.050.020.0
423.344.921.2
827.242.224.0
1231.742.327.7
1636.845.532.2
2042.351.537.2
2447.960.342.6
2853.271.348.0
3257.884.353.1
3666.498.458.4
4082.7115.969.7
4497.8139.783.8
48109.1169.497.3

Rêbaz

  1. Dînamîkên pergalê Forrester (1961), Industrial Dynamics, MIT Press; Sterman (2000), Business Dynamics
  2. Veguherînên krîtîk û xalên guherînê Scheffer and others (2009), Early-warning signals for critical transitions, Nature 461
  3. Diagrama xelekeya sedemî Sterman (2000), Business Dynamics, McGraw-Hill
  4. Pankeya nediyarîyê (Monte Carlo ya parametreyan) Spiegelhalter, Pearson and Short (2011), Visualising uncertainty about the future, Science 333
  5. Hesasiyeta yek-yek (tornado) Saltelli and others (2008), Global Sensitivity Analysis: The Primer, Wiley

Dane

No observed data enters this model: it runs on the teaching values set by the controls, to be replaced with a programme’s own evidence.

Stok, herik, derengî û sînorekî tipping. Modeleke hînkirinê ya ronîker: li gorî nirxên ku kontrol destnîşan dikin dixebite, ne li ser daneyên pîvandî. Rêbaz: Dînamîkên pergalê (Forrester (1961), Industrial Dynamics, MIT Press; Sterman (2000), Business Dynamics); Veguherînên krîtîk û xalên tipping (Scheffer û yên din (2009), Early-warning signals for critical transitions, Nature 461); Dîagrama xelekên sedemî (Sterman (2000), Business Dynamics, McGraw-Hill).

Li seranserê şeş stûnan, bi pêşengiya Nexus Consortium

04Dane

What the method consumes.

Datasets and records used by scenario design and stress testing on this platform, with the role each plays and the label its values carry. Sources are listed in the source register.

DaneRolNîşan
NGFS climate scenariosReference physical and transition pathwaysMODELKIRÎ
Reasonable worst-case planning scenariosCivil contingency assumptionsStatîstîkên weşandî
Historical event reconstructionsCalibration of severityÇAVDÊRÎKIRÎ
Dependency inventoriesPropagation structureDECLARED
05Rêbaz û delîl

How scenario design and stress testing is modelled, measured and tested.

Model, texmînên wî, daneyên wî û nediyariya wî, bi şeweyê ku zanyar an endezyar kontrol bike. Avahî rêbazên weşandî dişopînin. Nirxên hatine xêzkirin nimûneyî ne, ne encam in.

Model, hevkêşe û texmîn

The model structure used for scenario design and stress testing, the assumptions it makes and how each is tested.

Xetera hêmana iRi = f(Hi, Ei, Vi, Ci)metirsî, rûbirûbûn, lawazî û kapasîteya serederiyê
Windahiya salane ya hêvîkirîEAL = ∑k pk · Lkli ser bûyerên k bi îhtîmala salane pk
Pergalên girêdayîxt+1 = A xt + B ut + εtA carries the couplings, u the shock, ε the error
TexmînÇima tê çêkirinÇawa tê ceribandin
Metirsî û rûbirûbûn di nav bûyerekê de serbixwe neEntegrala windahiyê ji hesabkirinê re maqûl dihêleBi lihevhatineke copula li ser tomarên hevbeş re bidin ber hev
Girêdan li nêzî xala xebatê xêzik inDihêle şok di A de belav bibinJi derveyî rêza xêzik tevlihev bike û bide ber hev
Xêzên lawaziyê di navbera cihan de têne veguhastinXêzikên herêmî kêm tên dîtinLi hember windahiyên çavdêrîkirî erê bike li cihê ku hene
Têketin
danehevên bi guhertoyan û çavkaniyê
Derketin
belavkirin, tu carî jimarên tenê
Kod
bi qerta modelê û ceribandinan re hat weşandin
Zêdebûn
heman dane, kod, jîngeh û tov
Formulasyonên standard ên xetereyê û qada rewşê; texmînên navborî ji bo rêbazê tîpîk in, ji bo nirxandinê hatine diyarkirin, ne encam in.
Prensîbên rêber ên FAIR · GO FAIR û FORCE11W3C PROV · World Wide Web ConsortiumRêwerzên ji bo birêvebirina hevgirtî ya nediyarîyan · IPCCCEOS Analysis Ready Data · Committee on Earth Observation Satellites
06Erêkirin

How results are checked.

Scenarios are reviewed for plausibility, internal consistency and severity relative to history. Exercise outcomes are compared with actual events when they occur.

Kontrol bikinHow it is done
Plausibility reviewScenarios are reviewed by domain experts for internal consistency and plausibility before use
Severity benchmarkingScenario severity is compared with historical events and published reference scenarios
Model coverageThe share of mapped critical dependencies represented in the test is reported with the results

Scenario choice can reflect prevailing assumptions and miss novel combinations. Results depend on how participants and models represent responses.

08Stewardship

Who maintains the method.

xetera pergalî Management stewards scenario design and stress testing for the Consortium and reviews how it is applied across platforms.

09Pirs

Pirs û bersiv.

What are the limits of scenario design and stress testing in this field?
Scenario choice can reflect prevailing assumptions and miss novel combinations. Results depend on how participants and models represent responses.
How are results checked?
Scenarios are reviewed for plausibility, internal consistency and severity relative to history. Exercise outcomes are compared with actual events when they occur.
Are the values on this page real?
The data names, roles and checks are real descriptions of practice. The canvas shows a design of the method’s use, not a run; no result is reported here.
Where else is this method applied?
Çavdêrxaneya canonical method page lists every platform that applies it.
rêzeya Pergalên StratejîkTevkarî bike

Ji vê rûpelê delîl bidin.

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.

GCRIRêveberiya xetera pergalîSenaryo û ceribandina stresêRêbaz û teknîkîPortfolyo û amadebûn
Rêveberiya xetera pergalî

Rêbazek, danehevek an pirsek bîne.

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.

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