Search Results - "Xu, Hanqiu"

A new remote sensing index for assessing the spatial heterogeneity in urban ecological quality: A case from Fuzhou City, China by Hu, Xisheng, Xu, Hanqiu

“…•A new remote sensing based index was synthesized to assess urban ecological status.•PCA was applied to assign weights to avoid artificial interference on the…”
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The impact of building height on urban thermal environment in summer: A case study of Chinese megacities by Wang, Meiya, Xu, Hanqiu

“…The quantitative relationship between the spatial variation of building's height and the associated land surface temperature (LST) change in six Chinese…”
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Detecting Ecological Changes with a Remote Sensing Based Ecological Index (RSEI) Produced Time Series and Change Vector Analysis by Xu, Hanqiu, Wang, Yifan, Guan, Huade, Shi, Tingting, Hu, Xisheng

“…Increasing human activities have caused significant global ecosystem disturbances at various scales. There is an increasing need for effective techniques to…”
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Modification of normalised difference water index (NDWI) to enhance open water features in remotely sensed imagery by Xu, Hanqiu

“…The normalized difference water index (NDWI) of McFeeters ( 1996 ) was modified by substitution of a middle infrared band such as Landsat TM band 5 for the…”
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Prediction of ecological effects of potential population and impervious surface increases using a remote sensing based ecological index (RSEI) by Xu, Hanqiu, Wang, Meiya, Shi, Tingting, Guan, Huade, Fang, Canying, Lin, Zhongli

“…•Relating planned population growth with impervious surface area (ISA) increase.•Revealing the relationship of ecological condition with ISA, vegetation and…”
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Assessment and simulation of eco-environmental quality changes in rapid rural urbanization: Xiong’an New Area, China by Lin, Zhongli, Xu, Hanqiu, Yao, Xiong, Zhu, Zhipeng

“…Xiong’an New Area was established as a state-level new area in 2017 and serves as a typical representative area for studying the ecological evolution of rural…”
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Analysis of the Effectiveness of the Red-Edge Bands of GF-6 Imagery in Forest Health Discrimination by Chen, Jiahui, Xu, Hanqiu

“…The red-edge band is closely related to biochemical parameters that characterize the growth condition of green plants and is an important factor in monitoring…”
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Rule-based impervious surface mapping using high spatial resolution imagery by Xu, Hanqiu

“…Impervious surface mapping has become a recent concern in remote-sensing applications because of worldwide urban growth and the resultant environmental…”
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Predicting land cover changes and carbon stock fluctuations in Fuzhou, China: A deep learning and InVEST approach by Li, Chunqiang, Xu, Hanqiu, Du, Peijun, Tang, Fei

“…•Create a deep learning-based method to simulate future land cover changes.•Construct a concise and replicable framework to predict carbon stock…”
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Anthropogenic Heat Flux Estimation Based on Luojia 1-01 New Nighttime Light Data: A Case Study of Jiangsu Province, China by Lin, Zhongli, Xu, Hanqiu

“…With the rapid process of urbanization, anthropogenic heat generated by human activities has become an important factor that drives the changes in urban…”
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RSEI or MRSEI? Comment on Jia et al. Evaluation of Eco-Environmental Quality in Qaidam Basin Based on the Ecological Index (MRSEI) and GEE. Remote Sens. 2021, 13, 4543 by Xu, Hanqiu, Duan, Weifang, Deng, Wenhui, Lin, Mengjing

“…Recently, Jia et al. employed the index, modified remote sensing ecological index (MRSEI), to evaluate the ecological quality of the Qaidam Basin, China. The…”
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The impact of impervious surface development on land surface temperature in a subtropical city: Xiamen, China by Xu, Hanqiu, Lin, Dongfeng, Tang, Fei

“…Impervious surface coverage is a quantifiable environmental indicator correlating closely with the urban thermal environment. This study measured the…”
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Lockdown effects on total suspended solids concentrations in the Lower Min River (China) during COVID-19 using time-series remote sensing images by Xu, Hanqiu, Xu, Guangzhi, Wen, Xiaole, Hu, Xiujuan, Wang, Yifan

“…[Display omitted] •Develop a new prototype to recalibrate an existing TSS-retrieval algorithm.•Detect TSS dynamics in the Lower Min River via time-series…”
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Cross-comparison of Landsat-8 and Landsat-9 data: a three-level approach based on underfly images by Xu, Hanqiu, Ren, Mengjie, Lin, Mengjing

“…ABSTRACTThe recently launched Landsat-9 has an important mission of working together with Landsat-8 to reduce the revisit period of Landsat Earth observations…”
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Evaluating the consistency of surface brightness, greenness, and wetness observations between Landsat-8 OLI and Landsat-9 OLI2 through underfly images by Xu, Hanqiu, Ren, Mengjie, Yang, Lijuan

“…One important mission of the newly launched Landsat-9 is to collaborate with Landsat-8 to reduce the revisit period of Landsat Earth observations to eight…”
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Analysis of Nighttime Light Changes and Trends in the 1-Year Anniversary of the Russia-Ukraine Conflict by Wang, Lin, Lei, Henggang, Xu, Hanqiu

“…The Russia-Ukraine conflict has persisted for over a year, posing challenges in assessing and verifying the extent of damage through on-site investigations…”
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Dynamic of soil exposure intensity and its effect on thermal environment change by Xu, Hanqiu

“…Large area exposure of bare soils caused by soil erosion has serious impacts on the regional ecological environment, such as the rise of land surface…”
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Impervious Surface Information Extraction Based on Hyperspectral Remote Sensing Imagery by Tang, Fei, Xu, Hanqiu

“…The retrieval of impervious surface information is a hot topic in remote sensing. However, researches on impervious surface retrieval from hyperspectral remote…”
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Urban Expansion and Heat Island Dynamics in the Quanzhou Region, China by Xu, Hanqiu, Ding, Feng, Wen, Xiaole

“…Urban spatial expansion in the Quanzhou region of southeastern China has been accelerated over the past 20 years. This has caused land cover changes and, thus,…”
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A Remote Sensing Based Method to Detect Soil Erosion in Forests by Xu, Hanqiu, Hu, Xiujuan, Guan, Huade, Zhang, Bobo, Wang, Meiya, Chen, Shanmu, Chen, Minghua

“…Rainwater-induced soil erosion occurring in the forest is a special phenomenon of soil erosion in many red soil areas. Detection of such soil erosion is…”
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