Warm island effect observed in lake areas of the <scp>Badain Jaran Desert</scp>, <scp>China</scp>

Zhao, Liqiang; Yu, Xinran; Zhang, Wenjia; Wang, Nai’ang; Cai, Wenjun

doi:10.1002/wea.4039

Cited by 2 publications

(1 citation statement)

References 26 publications

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“…The ratio of the sum of sensible and LE flux to the net radiation ((LE + H )/ R n ) is 1.39, thereby implying an energy balance ratio larger than the unity. Considering that it is a groundwater recharged lake and the temperature of the spring surrounding the lake is much higher than the water temperature (L. Zhao et al., 2021), the heat released from the groundwater may be one of the reasons for the large value. Furthermore, the advection of energy from the surrounding desert enhancing the evaporation would be important and would increase the energy balance ratio (Xu et al., 2017).…”

Section: Site Data Processing and Methodsmentioning

confidence: 99%

Evaporation From Six Water Bodies of Various Sizes in East Asia: An Analysis on Size Dependency

Han

Guo

2023

Water Resources Research

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One pond and five lakes in East Asia with area from 0.05 to 3,000 km2 were comparatively investigated to reveal the size‐dependency of the evaporation and its radiation and aerodynamic contributions. The available energy controls on the annual evaporation are independent on the sizes of the six water bodies, but the ratio of evaporation to Penman's open water evaporation decreases with areas from almost unity at the small pond to around 0.8 at the two large lakes. The aerodynamic related parameters of three combination equations can be well represented by the water body areas with a power law, which is attributed to the decreasing mass transfer coefficient with the fetch of the water body. The increasing size‐dependent wind speed offsets the effect of mass transfer coefficient, making the energy partitioning and evaporation rate size independent. Results imply that the energy‐based equations can be used for evaporation without considering the water body size in the study area. The size‐dependent parameters of the combination equations are required to be further investigated with more lakes.

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Section: Site Data Processing and Methodsmentioning

confidence: 99%

Evaporation From Six Water Bodies of Various Sizes in East Asia: An Analysis on Size Dependency

Han

Guo

2023

Water Resources Research

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Warm Island Effect in the Lake Region of the Tengger Desert Based on MODIS and Meteorological Station Data

et al. 2021

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The northeastern part of the Tengger Desert accommodates several lakes. The effect of these lakes on local temperatures is unclear. In this study, the effects of the lakes were investigated using land surface temperature (LST) from MODIS (Moderate Resolution Imaging Spectroradiometer) data from 2003 to 2018 and air temperatures from meteorological stations in 2017. LST and air temperatures are compared between the lake-group region and an area without lakes to the north using statistical methods. Our results show that the lake-group region is found to exhibit a warm island effect in winter on an annual scale and at night on a daily scale. The warm island effect is caused by the differing properties of the land and other surfaces. Groundwater may also be an important heat source. The results of this study will help in understanding the causative factors of warm island effects and other properties of lakes.

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Warm island effect observed in lake areas of the Badain Jaran Desert, China

Cited by 2 publications

References 26 publications

Evaporation From Six Water Bodies of Various Sizes in East Asia: An Analysis on Size Dependency

Evaporation From Six Water Bodies of Various Sizes in East Asia: An Analysis on Size Dependency

Warm Island Effect in the Lake Region of the Tengger Desert Based on MODIS and Meteorological Station Data

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