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Vegetation Health System and Droughts from Space

Vegetation Health System and Droughts from Space. Requirement: (1) Improve climate observation & interpretation (2) Create consistent climate records (3) Enhance ability to warn, mitigate and protect. Science: Can Vegetation Health (VH) provides reliable climate services?.

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Vegetation Health System and Droughts from Space

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  1. Vegetation Health System and Droughts from Space Requirement:(1) Improve climate observation & interpretation (2) Create consistent climate records (3) Enhance ability to warn, mitigate and protect. Science:CanVegetation Health (VH) provides reliable climate services? Benefit:Predict drought, crop losses, fire risk, human health VH Interpretation Central USAHealthy vegetationImpact: Good crops KazakhstanVegetation stressImpact: Bad crops Western USA Vegetation stressImpact: Fire ArgentinaVegetation StressImpact: Drought Southern AfricaHealthy VegetationImpact: Malaria Felix Kogan1(GOVERNMENT PRINCIPAL INVESTIGATOR) and Wei Guo² ¹NOAA/NESDIS/STAR/SMCD, ²IMSG Regional Drought: USA GLOBAL Vegetation Health VEGETATION HEALTH (VH): Theory & Applications Definition:Proxy estimatingcumulative vegetation response to weather & climate Features: Characterizes Greenness (chlorophyll); Vigor (moisture); Thermal (skin temperature) Theory: Controlled by Law-of-Minimum (Leibigh law); Law-of- Tolerance; Principal of Carrying Capacity Advantages:Has “memory”, Combines NDVI and BT, 30-year data Products:Drought,vegetation health, fire risk, soil saturation Application:Agriculture, Forestry, Climate forcing & change, Human Health, Weather disasters, Land cover change Regional Drought: UKRAINE July 2007 & 2008 Northern Hemisphere: healthy vegetation in eastern USA, Europe, Russia, western Sahel, northern India; stressed vegetation in western USA, Kazakhstan (2008), Mongolia (2007), southeastern Europe (2007), Horn of Africa Southern Hemisphere healthy vegetation in Central America, tropical Africa; stressed vegetation in Argentina (2008), Brazil (2007), eastern Australia, southern Africa (2007) Severe-to-Exceptional Drought Area 2000-2009,UKRQAINE Drought Area and Intensity Science Challenges:Separate drought & Excessive soil wetness Next Steps:Design new VH products Transition Path:ABI and VIIRS to improve climate services

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