Add explicit impact model to ISIMIP

Closes #55

Author: tomalrussell

src/config/hazards/domains.ts

@@ -72,6 +72,7 @@ export const HAZARD_DOMAINS_CONFIG: Record<HazardType, HazardDomainConfig> = {
       epoch: 'baseline',
       rcp: 'baseline',
       gcm: 'gfdl-esm2m',
+      impact_model: 'hwmid-humidex',
     },
     dependencies: {
       rcp: ['epoch'],
@@ -91,6 +92,7 @@ export const HAZARD_DOMAINS_CONFIG: Record<HazardType, HazardDomainConfig> = {
       epoch: 'baseline',
       rcp: 'baseline',
       gcm: 'gfdl-esm2m',
+      impact_model: 'watergap2',
     },
     dependencies: {
       rcp: ['epoch'],

src/config/hazards/metadata.ts

@@ -96,8 +96,8 @@ export const HAZARDS_METADATA: Record<HazardType, HazardMetadata> = {
     formatValue: makeValueFormat('_', { maximumFractionDigits: 1, style: 'percent' }),
     legendAnnotation: 'Annual probability of extreme event',
     getPath: (hazardParams, metric) => {
-      const { rcp, epoch, gcm } = hazardParams;
-      return `isimip/extreme_heat/${metric}/${rcp}/${epoch}/${gcm}`;
+      const { rcp, epoch, gcm, impact_model } = hazardParams;
+      return `isimip/extreme_heat/${metric}/${rcp}/${epoch}/${gcm}/${impact_model}`;
     },
   },
   earthquake: {
@@ -116,8 +116,8 @@ export const HAZARDS_METADATA: Record<HazardType, HazardMetadata> = {
     formatValue: makeValueFormat('_', { maximumFractionDigits: 1, style: 'percent' }),
     legendAnnotation: 'Annual probability of extreme event',
     getPath: (hazardParams, metric) => {
-      const { rcp, epoch, gcm } = hazardParams;
-      return `isimip/drought/${metric}/${rcp}/${epoch}/${gcm}`;
+      const { rcp, epoch, gcm, impact_model } = hazardParams;
+      return `isimip/drought/${metric}/${rcp}/${epoch}/${gcm}/${impact_model}`;
     },
   },
 };

src/sidebar/sections/hazards/HazardsControl.tsx

@@ -157,7 +157,8 @@ export const DroughtControl = () => {
         <DataNoticeTextBlock>
           Map shows annual probability of a "drought event", defined by Lange et al (2020) as
           monthly soil moisture falling below the 2.5th percentile of the preindustrial baseline
-          distribution for at least seven consecutive months.
+          distribution for at least seven consecutive months. Multiple impact models are available,
+          currently showing "WaterGAP2".
         </DataNoticeTextBlock>
       </DataNotice>
       <InputRow>