Changes in the Lake Area of Tonle Sap: Possible Linkage to Runoff Alterations in the Lancang River?

Ji, Xuan; Li, Yungang; Luo, Xian; He, Daming

doi:10.3390/rs10060866

Cited by 31 publications

(18 citation statements)

References 53 publications

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“…The permanent lake extends over of a large territory towards the Northwest of Cambodia, with dimensions of 75 km x 32 km. It comprises a small part in the Southeast of the domain with dimensions of 35 km x 28 km [35,36]. The lake and its floodplains form the largest freshwater source in Southeast Asia [34].…”

Section: Study Areamentioning

confidence: 99%

“…These differences between the two results can be attributed to the fact that [50] performed their simulations based on data from 2002, that is a particular year with high flooding and two peaks in the whole Mekong basin. Moreover, the data used by [50] were not affected by the operation of the hydropower cascade in China that began in 2008 [35].…”

Section: Comparison With Previous Studiesmentioning

confidence: 99%

“…Recently, [35] utilized remote sensing MODIS (Moderate Resolution Imaging Spectroradiometer) data from 2000 -2014 to assess the variations of the Tonle Sap area. The minimum area is 2445 km 2 , appearing in 2005 and the maximum area is 16508 km 2 , appearing in 2011.…”

Section: Comparison With Previous Studiesmentioning

confidence: 99%

See 2 more Smart Citations

An implicit wetting–drying algorithm for the discontinuous Galerkin method: application to the Tonle Sap, Mekong River Basin

Lambrechts

Ortleb

et al. 2020

Environ Fluid Mech

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Section: Study Areamentioning

confidence: 99%

Section: Comparison With Previous Studiesmentioning

confidence: 99%

See 1 more Smart Citation

An implicit wetting–drying algorithm for the discontinuous Galerkin method: application to the Tonle Sap, Mekong River Basin

Lambrechts

Ortleb

et al. 2020

Environ Fluid Mech

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show abstract

“…Furthermore, USGS stated that band 7 for MSS, band 5 for OLI/TIRS, and band 4 for TM, ETM+ were advantageous for mapping shorelines. In this paper, satellite images obtained Ji et al (2018) investigated the changes in the surface area of Tonle Sap Lake in Cambodia from 2000 to 2014. Authors stated that water surface area showed an overall decreasing trend during this period.…”

Section: Figure 2 Temporal Change In Water Surface Areamentioning

confidence: 99%

“…Monitoring of spatial and temporal changes using satellite images has globally become crucial for better understanding and explaining of environmental changes in the reservoirs. Spatial and temporal changes of water surface in lakes and reservoirs were monitored by several scientists (Sidle et al, 2007;El-Asmar et al, 2013;Abu-Faraj et al, 2014;Hossen et al, 2018;Ji et al, 2018;Tan et al, 2018;Yapiyev et al, 2019). There are few researches on change monitoring of water surface in lakes and reservoirs in Turkey (Akar et al, 2002;Reis and Yılmaz, 2008;Durduran, 2010;Avdan et al, 2013;Bahadır, 2013;Battal et al, 2016;Erener et al, 2016;Yücel and Turan, 2016;Sarp and Ozcelik, 2017;Topuz and Karabulut, 2018).…”

Section: Introductionmentioning

confidence: 99%

Spatial and Temporal Change Monitoring in Water Surface Area of Atikhisar Reservoir (Çanakkale, Turkey) by using Remote Sensing and Geographic Information System Techniques

Kale¹,

Acarlı²

2019

Alınteri Zirai Bilimler Dergisi

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Spatial and temporal changes in surface area of Atikhisar Reservoir were monitored by using remote sensing and geographic information system techniques from 1975 to 2017. Satellite images were processed, analysed and manually digitized to reveal the changes in surface area of the reservoir. The results showed that total surface area of the reservoir was ranged between 1.72km 2 and 3.84km 2 during the monitoring period. Maximum increase in the surface area has been observed with 74.6% while maximum decrease has been observed with 31.8%. These fluctuations could be related with the climatic changes, natural and man-made processes such as sediment transportation, water leakages, excessive water exploitation for drinking, domestic or agricultural purposes, and human interventions along the reservoir. Therefore, surface area should be monitored continuously and all factors influencing the variation in surface area should be considered in decision making processes to support water sharing policy toward the management of water resources.

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Multidecadal variability of the Tonle Sap Lake flood pulse regime

Chen

Liu

Kummu

et al. 2021

Hydrological Processes

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Tonle Sap Lake (TSL) is one of the world's most productive lacustrine ecosystems, driven by the Mekong River's seasonal flood pulse. This flood pulse and its long-term dynamics under the Mekong River basin's (MRB) fast socio-economic development and climate change need to be identified and understood. However, existing studies fall short of sufficient time coverage or concentrate only on changes in water level (WL) that is only one of the critical flood pulse parameters influencing the flood pulse ecosystem productivity. Considering the rapidly changing hydroclimatic conditions in the Mekong basin, it is crucial to systematically analyse the changes in multiple key flood pulse parameters. Here, we aim to do that by using observed WL data for 1960-2019 accompanied with several parameters derived from a Digital Bathymetry Model. Results show significant declines of WL and inundation area from the late 1990s in the dry season and for the whole year, on top of increased subdecadal variability. Decreasing (increasing) probabilities of high (low) inundation area for 2000-2019 have been found, in comparison to the return period of inundation area for 1986-2000 (1960-1986). The mean seasonal cycle of daily WL in dry (wet) season for 2000-2019, compared to that for 1986-2000, has shifted by 10 (5) days. Significant correlations and coherence changes between the WL and large-scale circulations (i.e., El Niño-Southern Oscillation (ENSO), Pacific Decadal Oscillation (PDO) and Indian Ocean Dipole (IOD)), indicate that the atmospheric circulations could have influenced the flood pulse in different time scales. Also, the changes in discharge at the Mekong mainstream suggest that anthropogenic drivers may have impacted the high water levels in the lake. Overall, our results indicate a declining flood pulse since the late 1990s.

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Changes in the Lake Area of Tonle Sap: Possible Linkage to Runoff Alterations in the Lancang River?

Cited by 31 publications

References 53 publications

An implicit wetting–drying algorithm for the discontinuous Galerkin method: application to the Tonle Sap, Mekong River Basin

An implicit wetting–drying algorithm for the discontinuous Galerkin method: application to the Tonle Sap, Mekong River Basin

Spatial and Temporal Change Monitoring in Water Surface Area of Atikhisar Reservoir (Çanakkale, Turkey) by using Remote Sensing and Geographic Information System Techniques

Multidecadal variability of the Tonle Sap Lake flood pulse regime

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