Province/districts Impact type Trend Rank Battambang Thmar Kol Rokhak Kiri Sangkae Samlot Annual and perennial crop loss, mainly rice, cassava and corn Increasing 1 Insufficient of water for local consumption, upto 80% Decreasing 2 Losses of agricultural land 3 Water use conflict Increasing 4 Losses of income with 32% migration workers Increasing 5 Losses of timber products Increasing 6 Damages of biodiversity Increasing 7 Reduction of fish and animal habitats Increasing 8 Banteay Meanchey Thmor Pouk Preahnet Preah Malay Svay Chek Ou Chrov Perennial crop losses between Jane-August of rice, bean, corn, and cassava Increasing 1 Environmental damages (losses of forest and wet land) Increasing 2 Losses of income with 60% migration workers Increasing 3 Decrease of food production and increase of food prices Increasing 4 Kampong Cham Kong Meas Prey Chhor Koh Soutin Srey Santhor Perennial crop losses of rice, corn, and cassava Increasing 1 Crop damages by insects Increasing 3 Reduction of fish and animal habitats Increasing 2 Reduction of ground water Increasing 4 Respiratory disease Normal 5 Kampong Chhnang Kampong Leang Kampong Tralach Kampong Chhnang Rolea Bier Sameakki Meanchey Tuek Phos Losses of perennial crop losses of rice, cassava, and corn Increasing 1 Decrease of agricultural products and livestock Increasing 4 Decrease of biodiversity Increasing 5 Losses of income, migration Increasing 6 Reduction of fish and animal habitats Increasing 2 Water use conflict Increasing 7 Insufficient water for irrigation Increasing 3 Preveng Svay Antor Pea Kamchay Mear Kampong Trabaek Preah Sdach Me Sang Ba Kanh Chriech Losses of annual and perennial crop Increasing 1 Reduction of fish and animal habitats Increasing 3 Losses of income, migration Increasing 2 Respiratory disease Increasing 5 Decrease of agricultural products Increasing 4 Svay Rieng Kompong Rou Svay Chrom Chan Trea Svay Teab Romeas Haek Losses of annual and perennial crop, mainly rice Increasing 1 Increase of insects Increasing 2 Increase of migration for jobs Increasing 3 Decrease of rice production Increasing 4
National Line Agencies working on drought monitoring and forecasting include Land Development Department, Thai Meteorological Department, Department of Disaster Prevention and Mitigation, Department of Agricultural Department, Geo-Informatics and Space Technology Development Agency (GISDA), and Thai Water and Thai Office of the National Water and Flood Management Policy. In summary, national agencies with responsibilities and tasks related to drought monitoring and forecasting are listed in the following table: Department/Agency Task Model Lead Time Land Development Department Regional drought management and mitigation strategies Drought-related capacity development Land and water resource analysis (crop maps etc.) Climate impact and vulnerability assessments Now cast and forecast on drought frequency 1 week to months Thai Meteorological Department Drought monitoring Number of consecutive dry days 3 months rainfall forecast GMI, SPI, SMI, PET, dynamical weather prediction models 1 week to 3 months Department of Disaster Prevention and Mitigation Collect data on water demand Monitor drought using climate information with water in reservoirs Surveys Climate information with reservoir levels Daily, weekly, and monthly Department of Agricultural Extension Very drought indicator indices Crop and agricultural status via photos with satellite data Weeks and months Geo-Informatics and Space Technology Development Agency Earth observation satellite signals Data archiving and processing, image analysis Provision of satellite data and GIS Provide technical support, space technology research and development Direct reception of the earth observation satellite signals Daily, weekly and monthly Thai Water and Thai Office of the National Water and Flood Management Policy Real time information about weather and variables Satellite data Hourly and daily : Vietnam