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Spatial-temporal analysis of changes in land-cover and land surface temperature (LST) within Universiti Putra Malaysia campus area
IOP Conference Series: Earth and Environmental Science Pub Date : 2020-09-22 , DOI: 10.1088/1755-1315/561/1/012031
I P A Shidiq 1, 2 , M H Ismail 1 , S Supriatna 2 , A Wibowo 2
Affiliation  

The urban forest is one of the typical vegetation-covered space in an urban area. The existence and development of the urban forest commonly found within the university campus site. The ecological and environmental characteristics in a university campus site usually resemble and similar to the urban area. The physical environment of the campus area is gradually changing due to development and improvement purposes, and it is impacting the land-cover on the surface. Changing the physical element of the surface will affect the absorption of the sun radiation, and further, it is changing the dynamic of the micro-climatic condition or temperature within the surrounding area. The primary focus of the research is to observe the impact of land-cover change on the land surface temperature (LST) within the campus area. Universiti Putra Malaysia is one of the largest campuses located in the urban area of Serdang district, state of Selangor. The dynamic changes in this site observed through multi-temporal Landsat 8 OLI-TIRS level 1 imageries. Datasets from 2013 to 2015 were collected to employ spatial-temporal analysis on land-cover changes, as well as the LST algorithm to monitor the surface temperature. The result shows that there was an increasing surface temperature during 2013-2015, the maximum LST in September 2015 was found at 32.17 C, it is higher than the maximum LST in September 2013 (28.84 C). The result shows that there was an increasing surface temperature during 2013-2015, which corresponds with the inclining built-up area. The research concluded that changes in land-cover would affect the spatial-temporal land surface temperature at University Putra Malaysia.



中文翻译:

马来西亚布特拉大学校园内土地覆盖和地表温度(LST)变化的时空分析

城市森林是城市地区典型的植被覆盖空间之一。大学校园内常见的城市森林的存在和发展。大学校园场地的生态环境特征通常与市区相似或相似。校园区域的物理环境因开发和改善目的而逐渐发生变化,并正在影响地表的土地覆盖。改变地表的物理元素会影响太阳辐射的吸收,进而改变周围区域内的微气候条件或温度的动态。该研究的主要重点是观察土地覆盖变化对校园区域内地表温度(LST)的影响。马来西亚博特拉大学是位于雪兰莪州沙登区市区的最大校园之一。通过多时相 Landsat 8 OLI-TIRS 1 级图像观察到该站点的动态变化。收集了 2013 年至 2015 年的数据集,以对土地覆盖变化进行时空分析,并采用 LST 算法监测地表温度。结果表明,2013-2015年地表温度有所升高,2015年9月的最高LST为32.17 C,高于2013年9月的最高LST(28.84 C)。结果表明,2013-2015年地表温度呈上升趋势,与倾斜的建成区相对应。

更新日期:2020-09-22
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