Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2020WR027989 |
Understanding Volumetric Water Storage in Monsoonal Wetlands of Northeastern Bangladesh | |
Shahryar Ahmad; Faisal Hossain; Tamlin Pavelsky; Grant M. Parkins; Sarah Yelton; Megan Rodgers; Sarina Little; Debolina Haldar; Sheikh Ghafoor; Raihanul Haque Khan; Nazmul Ahsan Shawn; Aminul Haque; Robin Kumar Biswas | |
2020-11-05 | |
发表期刊 | Water Resources Research
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出版年 | 2020 |
英文摘要 | The volume of water stored in seasonal wetlands is a fundamental but difficult to measure variable for developing a physical understanding of wetland behavior. For seasonal wetlands that are a major source of water for rice and fish production, this physical understanding is key to planning for water‐food security and ecosystem services. This study quantified variations in volumetric storage for the numerous seasonal wetlands of northeastern Bangladesh, locally known as ‘haors’. These haors receive transboundary runoff from densely vegetated and mountainous terrain in India and face persistent monsoonal cloud cover as they become full. We estimated volumetric storage for thirteen haors by using extensive remote sensing data on water surface extent and elevation that was complemented with citizen‐contributed gauge data. Assuming a trapezoidal bathymetry, an area‐volume relationship was developed for selected haors. This relationship was assumed to be valid for extrapolating volumetric estimations over all the haors in the region. Results suggested that as haors get filled with the onset of monsoon rains, total estimated storage relative to the lowest observable level varied from 6.5 (± 0.4) km3 in May to 30.9 (± 2.0) km3 in July (peak of monsoon). Choosing a rectangular bathymetry can lead to 47% higher estimates compared to trapezoidal cross‐section. Estimating this intra/inter‐annual increase in storage is important for the region to plan water management policies that balance the human and ecosystem needs. Our analytical approach has potential for application to wetlands worldwide in light of the upcoming Surface Water and Ocean Topography (SWOT) mission. |
领域 | 资源环境 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/301839 |
专题 | 资源环境科学 |
推荐引用方式 GB/T 7714 | Shahryar Ahmad,Faisal Hossain,Tamlin Pavelsky,et al. Understanding Volumetric Water Storage in Monsoonal Wetlands of Northeastern Bangladesh[J]. Water Resources Research,2020. |
APA | Shahryar Ahmad.,Faisal Hossain.,Tamlin Pavelsky.,Grant M. Parkins.,Sarah Yelton.,...&Robin Kumar Biswas.(2020).Understanding Volumetric Water Storage in Monsoonal Wetlands of Northeastern Bangladesh.Water Resources Research. |
MLA | Shahryar Ahmad,et al."Understanding Volumetric Water Storage in Monsoonal Wetlands of Northeastern Bangladesh".Water Resources Research (2020). |
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