Reference
·Primary source
Chao Phraya basin reservoir storage (2020-2024)
~14-18 BCM
Aggregate Chao Phraya basin reservoir storage across Bhumibol, Sirikit, Kwai Noi, and Pasak Jolasid sat in a 14-18 billion cubic metres (BCM) range across 2020-2024 per Royal Irrigation Department (RID) and Hydro-Informatics Institute (HII) bulletins, against combined live storage capacity of about 24 BCM. The 2020 El Nino drought drove storage to a multi-year low (~11-12 BCM end of dry season); 2021-2022 La Nina rebuilt storage to ~18 BCM; 2023-2024 returned to a drier pattern with El Nino conditions. RID typically diverts 850 million m3 from the Mae Klong basin to lower Chao Phraya during dry-season shortfalls. The basin contributes roughly 66% of Thailand's GDP and 45% of land use is agriculture.
Figure in context
Aggregate Chao Phraya basin reservoir storage across Bhumibol, Sirikit, Kwai Noi, and Pasak Jolasid sat in a 14-18 billion cubic metres (BCM) range across 2020-2024 per Royal Irrigation Department (RID) and Hydro-Informatics Institute (HII) bulletins, against combined live storage capacity of about 24 BCM. The 2020 El Nino drought drove storage to a multi-year low (~11-12 BCM end of dry season); 2021-2022 La Nina rebuilt storage to ~18 BCM; 2023-2024 returned to a drier pattern with El Nino conditions. RID typically diverts 850 million m3 from the Mae Klong basin to lower Chao Phraya during dry-season shortfalls. The basin contributes roughly 66% of Thailand's GDP and 45% of land use is agriculture.
Interpretation notes
What this tells you
Aggregate Chao Phraya basin reservoir storage across Bhumibol, Sirikit, Kwai Noi, and Pasak Jolasid sat in a 14-18 billion cubic metres (BCM) range across 2020-2024 per Royal Irrigation Department (RID) and Hydro-Informatics Institute (HII) bulletins, against combined live storage capacity of about 24 BCM. The 2020 El Nino drought drove storage to a multi-year low (~11-12 BCM end of dry season); 2021-2022 La Nina rebuilt storage to ~18 BCM; 2023-2024 returned to a drier pattern with El Nino conditions. RID typically diverts 850 million m3 from the Mae Klong basin to lower Chao Phraya during dry-season shortfalls. The basin contributes roughly 66% of Thailand's GDP and 45% of land use is agriculture.
What not to do with it
Values in billion cubic metres (BCM). End-of-rainy-season aggregate of Bhumibol, Sirikit, Kwai Noi, Pasak Jolasid live storage. 24 BCM = total combined live capacity.
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