PDF Download

[1]WU Yuxin,ZHAO Mudan,GAO Zhiyuan,et al.Comparison Analysis of Accuracy of SRTMGL1 and SRTM V4 in Three Typical Regions of China[J].Research of Soil and Water Conservation,2019,26(04):36-42.

Copy

Comparison Analysis of Accuracy of SRTMGL1 and SRTM V4 in Three Typical Regions of China

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 26 Number of periods: 2019 04 Page number: 36-42 Column: Public date: 2019-06-11

Title:: Comparison Analysis of Accuracy of SRTMGL1 and SRTM V4 in Three Typical Regions of China

Author(s):: WU Yuxin¹, ZHAO Mudan¹, GAO Zhiyuan¹, LIU Ting²; 1. College of Urban and Environmental Science, Northwest University, Xi’an 710127, China;
2. Department of Information Engineering, Engineering University of the Chinese Armed Police Force, Xi’an 710086, China

Keywords:: SRTM DEM; ICESat/GLAS; elevation error; land-use classification; terrain factors

CLC:: P208

DOI:: -

Abstract:: Three typical regions in China (North China Plain, Yunnan-Guizhou Plateau and Qinghai-Tibet Plateau) were selected as the study areas. ICESat/GLAS data were used as elevation control point data, SRTM 1 Arc-Second Global (SRTMGL1) and SRTM Version 4 (SRTM V4) data were used as precision evaluation data, and terrain and surface coverage factors were combined to synthesize the two DEMs in three typical regions. The accuracy of the zone was evaluated and compared. The results showed that: (1) in the three types of research areas, the accuracy of SRTMGL1 data was better than that of SRTM V4 data, of which the two DEMs in North China Plain were the best, and the two DEMs in Yunnan-Guizhou Plateau were the worst; (2) the data accuracy of SRTMGL1 was better than that of SRTM V4 in different slope grading, and there was little difference between them in a small slope range; large slope and high vegetation coverage had great influence on SRTMGL1 accuracy attenuation; (3) the relative and absolute accuracy of the two DEMs varied with the topography in the four geomorphological regions; in terms of relative accuracy, the SRTMGL1 data elevation at the ridge points was larger than that of SRTM V4 data, and the SRTM V4 data at the valley points was larger than that of SRTMGL1 data; in terms of absolute accuracy, the difference profiles between the two DEMs and ICESat/GLAS control points changed significantly with the terrain; in the gentle terrain area, the amplitude of difference profiles was small, and the difference between the two DEMs was close; in the high undulating area, the amplitude of section lines was large, and the amplitude of SRTM V4 difference value curve was larger than that of SRTMGL1 profile curve; (4) in the study area of North China Plain and Yunnan-Guizhou Plateau, the two DEM errors of high vegetation coverage area were the largest, while the errors of bare land and artificial surface were the smallest; in the Qinghai-Tibet Plateau, the error of the glacier coverage area was the largest and the water area error was the smallest.

References:: [1] Rodríguez E, Morris C S, Belz J E. A global assessment of the SRTM performance[J]. Photogrammetric Engineering & Remote Sensing, 2015,72(3):249-260.
[2] Ioannidis C, Xinogalas E, Soile S. Assessment of the global digital elevation models ASTER and SRTM in Greece[J]. Empire Survey Review, 2014,46(338):342-354.
[3] Shortridge A, Messina J. Spatial structure and landscape associations of SRTM error[J]. Remote Sensing of Environment, 2011,115(6):1576-1587.
[4] Zhao G, Xue H, Ling F. Assessment of ASTER GDEM Performance by Comparing with SRTM and ICESat/GLAS Data in Central China[C]//The 18th International Conference on Geoinformatics:GIScience in Change, Geoinformatics 2010, Beijing:Peking University, 2010.
[5] 郭笑怡,张洪岩,张正祥. ASTER GDEM与SRTM3数据质量精度对比分析[J].遥感技术与应用,2011,26(3):334-339.
[6] Mukul M, Srivastava V, Mukul M. Accuracy analysis of the 2014-2015 Global Shuttle Radar Topography Mission(SRTM)1 arc-sec C-Band height model using International Global Navigation Satellite System Service(IGS)Network[J]. Journal of Earth System Science, 2016,125(5):1-9.
[7] Yue L, Shen H, Zhang L, et al. High-quality seamless DEM generation blending SRTM-1, ASTER GDEM v2 and ICESat/GLAS observations[J]. Isprs Journal of Photogrammetry & Remote Sensing, 2017,123:20-34.
[8] Wang X, Holland D M, Gudmundsson G H. Accurate coastal DEM generation by merging ASTER GDEM and ICESat/GLAS data over Mertz Glacier, Antarctica[J]. Remote Sensing of Environment, 2018,206:218-230.
[9] Proulx-Bourque J S, Magagi R, O’Neill N T. Filtering global land and surface altimetry data(GLA14) for elevation accuracy determination[J]. Photogrammetric Engineering & Remote Sensing, 2015,81(9):701-707.
[10] Treichler D, Kääb A. Snow depth from ICESat laser altimetry:A test study in southern Norway[J]. Remote Sensing of Environment, 2017,191:389-401.
[11] Zhao S, Cheng W, Zhou C, et al. Using MLR to model the vertical error distribution of ASTER GDEM V2 data based on ICESat/GLA14 data in the Loess Plateau of China[J]. Zeitschrift Fur Geomorphologie, 2017,61(2):9-26.
[12] 武文娇,章诗芳,赵尚民. SRTM1 DEM与ASTER GDEM V2数据的对比分析[J].地球信息科学学报,2017,19(8):1108-1115.
[13] 万杰,廖静娟,许涛,等.基于ICESat/GLAS高度计数据的SRTM数据精度评估:以青藏高原地区为例[J].国土资源遥感,2015,27(1):100-105.
[14] 李鹏,李振洪,施闯,等.中国地区30 m分辨率SRTM质量评估[J].测绘通报,2016(9):24-28.
[15] 杜小平,郭华东,范湘涛.基于ICESat/GLAS数据的中国典型区域SRTM与ASTER GDEM高程精度评价[J].中国地质大学学报:地球科学,2013,38(4):887-897.
[16] 宗继彪,叶庆华,田立德.基于ICESat/GLAS, SRTM DEM和GPS观测青藏高原纳木那尼冰面高程变化(2000-2010年)[J].科学通报,2014,59(21):2108-2118.
[17] Zhang Q, Yang Q, Wang C. SRTM error distribution and its associations with landscapes across China[J]. Photogrammetric Engineering & Remote Sensing, 2016,82(2):135-148.

Similar References:

Memo

Last Update: 1900-01-01