基于Arc Hydro Tools的涪江流域特征自动提取分析
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摘要
以涪江流域为例,基于1∶5万和1∶25万两种比例尺数字高程模型(DEM),利用Arc Hydro Tools对DEM预处理后进行流域提取,分析通过不同方案提取的河网、流域面积等相关参数,同时针对不同分辨率河网出现差异地段的地形坡度和地形标准差进行分析.实验结果表明:提取结果的精度在总体上是符合要求的,但是在地势平坦区域人类活动干扰较大的地区,提取的结果与实际相差较大.从提取的效率和实验结果的精度两方面来看,基于Arc Hydro Tools的流域特征自动提取是切实可行的.
Fujiang river basin has been selected as the study area,and drainage basin characteristics been exacted and analyzed from "burn-in"DEM at two scales(1:50000and 1:250000)with the Arc Hydro Tools,The selected parameters include those commonly use in hydrology and geomorphology such as drainage network,area and channel length.According to the different resolution of differences between the sections of the river terrain slope and standard deviation of terrain have been compared and analyzed.Two results show that 1)for different resolutions,the derived drainage network have some different on flat area or the disturbance of human activities area,but the accuracy is meet the requirement;2)from the efficiency and the accuracy,drainage basin characteristics exacted by using the Arc Hydro Tools is feasible.
Fujiang river basin has been selected as the study area,and drainage basin characteristics been exacted and analyzed from "burn-in"DEM at two scales(1:50000and 1:250000)with the Arc Hydro Tools,The selected parameters include those commonly use in hydrology and geomorphology such as drainage network,area and channel length.According to the different resolution of differences between the sections of the river terrain slope and standard deviation of terrain have been compared and analyzed.Two results show that 1)for different resolutions,the derived drainage network have some different on flat area or the disturbance of human activities area,but the accuracy is meet the requirement;2)from the efficiency and the accuracy,drainage basin characteristics exacted by using the Arc Hydro Tools is feasible.
引文
[1]刘学军,卢华兴,卞璐,等.基于DEM的河网提取算法的比较[J].水利学报,2006,37(9):1134-1141.
[2]吴险峰,王中根,刘昌明,等.基于DEM的数字降水径流模型-在黄河小花间的应用[J].地理学报,2002,57(6):671-678.
[3]O’CALLAGHAN J F,MARK D M.The Extraction of Drainage Network from Digital Elevation Data[J].Computer Vision,Graphics and Image Processing,1984,28(3):323-344.
[4]JENSEN S K,DOMINGUE J O.Extracting Topographic Structure from Digital Elevation Data for Geographic Information System Analysis[J].Photogrammetric Engineering and Remote Sensing,1988,54(11):1593-1600.
[5]俞雷,刘洪斌,武伟.基于DEM的重庆三峡库区流域水系提取研究[J].西南农业大学学报(自然科学版),2006,28(2):215-218.
[6]曾红伟,李丽娟,柳玉梅,等.Arc Hydro Tools及多源DEM提取河网与精度分析——以洮儿河流域为例[J].地球信息科学学报,2011,13(1):22-31.
[7]朱庆,田一翔,张叶廷.从规则格网DEM自动提取汇水区域及其子区域的方法[J].测绘学报,2005,34(2):129-133.
[8]唐从国,刘丛强.基于Arc Hydro Tools的流域特征自动提取——以贵州省内乌江流域为例[J].地球与环境,2006,34(3):30-37.
[9]王培法.栅格DEM的尺度与水平分辨率对流域特征提取的分析——以黄土岭流域为例[J].江西师范大学学报(自然科学版).2004,28(6):549-554.
[10]舒栋才,程根伟,林三益.基于DEM的岷江上游数字流域的离散化[J].四川大学学报(工程科学版),2004,36(6):6-11.
[11]李昌峰,赵锐.流域水系自动提取在西苕溪流域的应用[J].热带地理,2003,23(4):319-323.
[12]QUINN P F,BEVEN K J,LMNB R.The ln(α/tanβ)Index:How to Calculate it and How to Use it Within the TOPMOEDL Framework[J].Hydrological Processes.1995,9(2):161-182.
[13]BRUNEAU P,GASCUEL O C,ROBIN P,et al.Sensitivity to Space and Time Resolution of a Hydrological Model Using Digital Elevation Data[J].Hydrological Processes,1995,9(1):69-81.
[14]敬正书.中国河湖大典[M].北京:中国水利水电出版社,2010:208-209.
[2]吴险峰,王中根,刘昌明,等.基于DEM的数字降水径流模型-在黄河小花间的应用[J].地理学报,2002,57(6):671-678.
[3]O’CALLAGHAN J F,MARK D M.The Extraction of Drainage Network from Digital Elevation Data[J].Computer Vision,Graphics and Image Processing,1984,28(3):323-344.
[4]JENSEN S K,DOMINGUE J O.Extracting Topographic Structure from Digital Elevation Data for Geographic Information System Analysis[J].Photogrammetric Engineering and Remote Sensing,1988,54(11):1593-1600.
[5]俞雷,刘洪斌,武伟.基于DEM的重庆三峡库区流域水系提取研究[J].西南农业大学学报(自然科学版),2006,28(2):215-218.
[6]曾红伟,李丽娟,柳玉梅,等.Arc Hydro Tools及多源DEM提取河网与精度分析——以洮儿河流域为例[J].地球信息科学学报,2011,13(1):22-31.
[7]朱庆,田一翔,张叶廷.从规则格网DEM自动提取汇水区域及其子区域的方法[J].测绘学报,2005,34(2):129-133.
[8]唐从国,刘丛强.基于Arc Hydro Tools的流域特征自动提取——以贵州省内乌江流域为例[J].地球与环境,2006,34(3):30-37.
[9]王培法.栅格DEM的尺度与水平分辨率对流域特征提取的分析——以黄土岭流域为例[J].江西师范大学学报(自然科学版).2004,28(6):549-554.
[10]舒栋才,程根伟,林三益.基于DEM的岷江上游数字流域的离散化[J].四川大学学报(工程科学版),2004,36(6):6-11.
[11]李昌峰,赵锐.流域水系自动提取在西苕溪流域的应用[J].热带地理,2003,23(4):319-323.
[12]QUINN P F,BEVEN K J,LMNB R.The ln(α/tanβ)Index:How to Calculate it and How to Use it Within the TOPMOEDL Framework[J].Hydrological Processes.1995,9(2):161-182.
[13]BRUNEAU P,GASCUEL O C,ROBIN P,et al.Sensitivity to Space and Time Resolution of a Hydrological Model Using Digital Elevation Data[J].Hydrological Processes,1995,9(1):69-81.
[14]敬正书.中国河湖大典[M].北京:中国水利水电出版社,2010:208-209.