Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.1007/s11356-021-17347-z |
| Dynamics of human-induced lakes and their impact on land surface temperature in Toshka Depression, Western Desert, Egypt | |
| Abou Samra, Rasha M. | |
| 通讯作者 | Abou Samra, RM (corresponding author), Damietta Univ, Fac Sci, Dept Environm Sci, New Damietta 3451, Egypt. |
| 来源期刊 | ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
 |
| ISSN | 0944-1344 |
| EISSN | 1614-7499 |
| 出版年 | 2022 |
| 英文摘要 | Changes in land-use/land-cover (LULC) give rise to several environmental problems which modify the microclimate of a region. Therefore, land surface temperature (LST) is a significant environmental variable that is appreciably influenced by LULC changes. The main aim of this research was to quantify the impacts of LULC changes from the drying of Toshka Lakes on LST by remote sensing and geographic information system (GIS) techniques. Landsat series Thematic Mapper (TM) and Operational Land Imager (OLI) satellite images were used to estimate LST from 2001 to 2019. Automated Water Extraction Index (AWEI) was applied to the mosaicked Landsat images to extract water bodies from the research area. Optimized Soil-Adjusted Vegetation Index (OSAVI) was utilized to predict the reclaimed land in the Toshka region until 2019. The kappa coefficient had been involved in this research to assess the accuracy of water extraction. The results indicated a decrease in the lakes by about 1517.79 km(2) with an average increase in LST by about 25.02 degrees C from 2001 to 2019. It was observed that the dried areas of the lakes were converted to bare soil and are covered by salt crusts. The results indicated that the land-use change was a significant driver for the increased LST. The mean annual LST increased considerably by 0.6 degrees C/year from 2009 to 2019. A strong negative correlation between LST and Toshka Lakes area (R-square = 0.98) estimated from regression analysis implied that Toshka Lakes drying considerably affected the microclimate of the study area. Severe drought conditions, soil degradation, and many environmental issues were predicted due to the rise of LST in the research area. The findings of this research focus on the benefits of satellite data for assessing human-induced changes and their impacts on microclimate. There is an urgent need to develop favorable strategies for sustainable environmental management in the Toshka region. |
| 英文关键词 | Land surface temperature LULC Automated Water Extraction Index (AWEI) Toshka GIS |
| 类型 | Article |
| 语种 | 英语 |
| 收录类别 | SCI-E |
| WOS记录号 | WOS:000715013900015 |
| WOS关键词 | COVER CHANGE ; SATELLITE ; WATER ; EVAPORATION |
| WOS类目 | Environmental Sciences |
| WOS研究方向 | Environmental Sciences & Ecology |
| 资源类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/367701 |
| 作者单位 | [Abou Samra, Rasha M.] Damietta Univ, Fac Sci, Dept Environm Sci, New Damietta 3451, Egypt |
| 推荐引用方式 GB/T 7714 | Abou Samra, Rasha M.. Dynamics of human-induced lakes and their impact on land surface temperature in Toshka Depression, Western Desert, Egypt[J],2022. |
| APA | Abou Samra, Rasha M..(2022).Dynamics of human-induced lakes and their impact on land surface temperature in Toshka Depression, Western Desert, Egypt.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH. |
| MLA | Abou Samra, Rasha M.."Dynamics of human-induced lakes and their impact on land surface temperature in Toshka Depression, Western Desert, Egypt".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (2022). |
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