{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,9,12]],"date-time":"2024-09-12T15:17:34Z","timestamp":1726154254763},"reference-count":52,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2021,1,26]],"date-time":"2021-01-26T00:00:00Z","timestamp":1611619200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"Gully head erosion causes serious land degradation in semiarid regions. The existing studies on gully head erosion are mainly based on measuring the gully volume in small-scale catchments, which is a labor-intensive and time-consuming approach. Therefore, it is necessary to explore an accurate method quantitatively over large areas and long periods. The objective of this study was to develop a model to assess gully head erosion in the Loess Plateau of China using a method based on the SBAS-InSAR technique. The gully heads were extracted from the digital elevation model and validated by field investigation and aerial images. The surface deformation was estimated with SBAS-InSAR and 22 descending ALOS PALSAR datasets from 2007 to 2011. A gully head erosion model was developed; this model can incorporate terrain factors and soil types, as well as provides erosion rate predictions consistent with the SBAS-InSAR measurements (R2 = 0.889). The results show that gully head erosion significantly depends on the slope angle above the gully head, slope length, topographic wetness index, and catchment area. The relationship between these factors and the gully head erosion rate is a power function, and the average rate of gully head erosion is 7.5 m3\/m2\/year, indicating the high erosional vulnerability of the area. The accuracy of the model can be further improved by considering other factors, such as the stream power factor, curvature, and slope aspect. This study indicates that the erosion rate of gully heads is almost unaffected by soil type in the research area. An advantage of this model is that the gully head area and surface deformation can be easily extracted and measured from satellite images, which is effective for assessing gully head erosion at a large scale in combination with SBAS-InSAR results and terrain attributes.<\/jats:p>","DOI":"10.3390\/rs13030421","type":"journal-article","created":{"date-parts":[[2021,1,26]],"date-time":"2021-01-26T13:29:16Z","timestamp":1611667756000},"page":"421","source":"Crossref","is-referenced-by-count":23,"title":["A New Method to Predict Gully Head Erosion in the Loess Plateau of China Based on SBAS-InSAR"],"prefix":"10.3390","volume":"13","author":[{"given":"Chengcheng","family":"Jiang","sequence":"first","affiliation":[{"name":"College of Geology Engineering and Geomatics, Chang\u2019an University, Xi\u2019an 710054, China"}]},{"given":"Wen","family":"Fan","sequence":"additional","affiliation":[{"name":"College of Geology Engineering and Geomatics, Chang\u2019an University, Xi\u2019an 710054, China"},{"name":"Key Laboratory of Western China\u2019s Mineral Resources and Geological Engineering, Ministry of Education, No. 126 Yanta Road, Xi\u2019an 710054, China"},{"name":"China Electronic Research Institute of Engineering Investigations and Design, Xi\u2019an 710055, China"}]},{"given":"Ningyu","family":"Yu","sequence":"additional","affiliation":[{"name":"College of Geology Engineering and Geomatics, Chang\u2019an University, Xi\u2019an 710054, China"},{"name":"Key Laboratory of Western China\u2019s Mineral Resources and Geological Engineering, Ministry of Education, No. 126 Yanta Road, Xi\u2019an 710054, China"}]},{"given":"Yalin","family":"Nan","sequence":"additional","affiliation":[{"name":"China Electronic Research Institute of Engineering Investigations and Design, Xi\u2019an 710055, China"}]}],"member":"1968","published-online":{"date-parts":[[2021,1,26]]},"reference":[{"key":"ref_1","first-page":"e01255","article-title":"Current extent, temporal trends, and rates of gully erosion in the Gumara watershed, Northwestern Ethiopia","volume":"24","author":"Belayneh","year":"2020","journal-title":"Glob. 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