基于"三层"融合的松嫩平原盐碱地资源特征
S155.1%S155.2+93; 构建盐碱地资源系统分析框架,清晰界定盐碱地概念与分类,对于盐碱地资源调查、治理与利用具有重要的意义.该研究基于地球关键带理论与逻辑,构建涵盖利用层、土壤层和DEM"三层"融合的盐碱地资源系统分析框架,界定盐碱地与盐碱土概念及类型,结合土地利用现状图、土壤图和DEM图,采用GIS叠加分析方法,分析松嫩平原盐碱地资源特征.结果表明:1)基于地球关键带理论和逻辑,以立体空间作为组织和联系各层级的纽带,以数字高程为基底,按照垂直和水平纬度,构建起的土地利用层、土壤层、DEM层"三层"融合的盐碱地资源系统分析框架清晰地界定和表达...
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Published in | 农业工程学报 Vol. 38; no. 23; pp. 247 - 257 |
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Main Authors | , , , , , , , , |
Format | Journal Article |
Language | Chinese |
Published |
中国农业大学土地科学与技术学院,北京 100193
01.12.2022
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Subjects | |
Online Access | Get full text |
ISSN | 1002-6819 |
DOI | 10.11975/j.issn.1002-6819.2022.23.026 |
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Abstract | S155.1%S155.2+93; 构建盐碱地资源系统分析框架,清晰界定盐碱地概念与分类,对于盐碱地资源调查、治理与利用具有重要的意义.该研究基于地球关键带理论与逻辑,构建涵盖利用层、土壤层和DEM"三层"融合的盐碱地资源系统分析框架,界定盐碱地与盐碱土概念及类型,结合土地利用现状图、土壤图和DEM图,采用GIS叠加分析方法,分析松嫩平原盐碱地资源特征.结果表明:1)基于地球关键带理论和逻辑,以立体空间作为组织和联系各层级的纽带,以数字高程为基底,按照垂直和水平纬度,构建起的土地利用层、土壤层、DEM层"三层"融合的盐碱地资源系统分析框架清晰地界定和表达了盐碱地概念和特征;2)盐碱地是一种土壤类型为盐碱土的土地利用类型,下属盐碱耕地、盐碱林地、盐碱草地、盐碱湿地、盐碱未利用地和其他盐碱地6个类别,盐碱土分为盐土、碱土和盐碱化土3种类型;3)松嫩平原盐碱地总面积254.77万hm2,主要分布于松嫩平原西南部地区,类型以盐碱耕地和盐碱未利用地居多,土壤类型以盐-碱化土为主;4)盐碱耕地和盐碱未利用地海拔集中在100~150 m,坡度平缓.该研究可为盐碱地资源调查提供理论和方法支撑,为松嫩平原盐碱地治理与开发提供科学依据. |
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AbstractList | S155.1%S155.2+93; 构建盐碱地资源系统分析框架,清晰界定盐碱地概念与分类,对于盐碱地资源调查、治理与利用具有重要的意义.该研究基于地球关键带理论与逻辑,构建涵盖利用层、土壤层和DEM"三层"融合的盐碱地资源系统分析框架,界定盐碱地与盐碱土概念及类型,结合土地利用现状图、土壤图和DEM图,采用GIS叠加分析方法,分析松嫩平原盐碱地资源特征.结果表明:1)基于地球关键带理论和逻辑,以立体空间作为组织和联系各层级的纽带,以数字高程为基底,按照垂直和水平纬度,构建起的土地利用层、土壤层、DEM层"三层"融合的盐碱地资源系统分析框架清晰地界定和表达了盐碱地概念和特征;2)盐碱地是一种土壤类型为盐碱土的土地利用类型,下属盐碱耕地、盐碱林地、盐碱草地、盐碱湿地、盐碱未利用地和其他盐碱地6个类别,盐碱土分为盐土、碱土和盐碱化土3种类型;3)松嫩平原盐碱地总面积254.77万hm2,主要分布于松嫩平原西南部地区,类型以盐碱耕地和盐碱未利用地居多,土壤类型以盐-碱化土为主;4)盐碱耕地和盐碱未利用地海拔集中在100~150 m,坡度平缓.该研究可为盐碱地资源调查提供理论和方法支撑,为松嫩平原盐碱地治理与开发提供科学依据. |
Author | 曹颖 马原 张炎 姚东恒 赵振庭 李亮 高秉博 廖宇波 孔祥斌 |
AuthorAffiliation | 中国农业大学土地科学与技术学院,北京 100193 |
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Author_FL | Liao Yubo Zhao Zhenting Kong Xiangbin Zhang Yan Yao Dongheng Ma Yuan Li Liang Gao Bingbo Cao Ying |
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DocumentTitle_FL | Characteristics of saline-alkali land and resources based on three-layer fusion of saline-alkali soil in Songnen Plain of China |
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Title | 基于"三层"融合的松嫩平原盐碱地资源特征 |
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