陕西省耕地质量分等省级成果汇总的多属性集簇方法

doi:10.11821/dlyj201507008

地理研究 ›› 2015, Vol. 34 ›› Issue (7): 1285-1294.doi: 10.11821/dlyj201507008

陕西省耕地质量分等省级成果汇总的多属性集簇方法

卫新东^1,²(), 王筛妮¹, 张转³, 郭树延³

1. 长安大学地球科学与资源学院,西安 710054
2. 西北农林科技大学水利与建筑工程学院,杨凌 712100
3. 陕西国源科技工程有限公司,西安 710082

收稿日期:2015-01-04 修回日期:2015-05-06 出版日期:2015-08-19 发布日期:2015-08-08
作者简介:
作者简介：卫新东（1978- ）,男,陕西乾县人,博士,讲师,主要研究方向为土地资源利用与管理。E-mail: weixindong@126.com
基金资助:
国家科技支撑计划项目（2013BAD20B03,2011BAD29B04）;陕西省科技统筹创新工程资助项目（2013KTZB02-03-02）;国土资源大调查陕西省耕地质量等别调查与评定（2013）

Summarizing methods of farmland classification by multi-attribute cluster in Shaanxi province

Xindong WEI^1,²(), Shaini WANG¹, Zhuan ZHANG³, Shuyan GUO³

1. The College of Earth Science and Resources, Chang'An University, Xian 710054, China
2. College of Irrigation and Architecture Engineering, Northwest Sci-Tech University of Agriculture and Forestry, Yangling 712100, Shaanxi, China
3. Guoyuan (Shaanxi) Technological Engineering Co., Ltd, Xi'an 710082, China

Received:2015-01-04 Revised:2015-05-06 Online:2015-08-19 Published:2015-08-08

摘要/Abstract

摘要：

为了将1∶10000高精度县级耕地分等数据汇总形成1∶500000省级耕地分等数据,基于ArcGIS软件和Access软件,采用多属性集簇的方法对乡代码、地类代码、自然质量等、利用等及经济等属性控制条件进行集簇,采用移动、分割、增加等三种策略进行簇点视觉汇总。研究结果表明多属性集簇的方法能够满足耕地分等省级数据汇总的精度要求,提高工作效率,探索形成了科学可行的省级数据汇总方法体系,采用ArcGIS软件准确快速地构建了省、县两级耕地分等单元之间的可追溯查询关系,取得了良好的应用效果。该研究方法为实现耕地分等省级数据汇总提供理论依据和技术支撑,对耕地分等省级成果汇总和国家级成果汇总具有借鉴和参考价值。

关键词: 土地管理, 耕地分等, 多属性集簇, 省级汇总, 陕西省

Abstract:

Based on ArcGIS software and an Access database software platform, high precision of county-level farmland classification data at a scale of 1:10,000 were aggregated to create summarized a 1:500,000-scale provincial-level farmland classification data by the multi-attribute cluster method. Landscape classification was conducted using country codes, land type data, classification of natural areas based on quality, landuse classification, economic classification, and multi-attributes of control conditions while using a clustering technique. Three methods are proposed to create a cluster point visual summary of the landscape as follows: 1) by moving the cluster points, 2) by dividing provincial units into county-level units, and 3) by generalizing the outlines of the county-level units. Research results: The cluster research method using multiple landscape attributes could be used to improve the efficiency and the precision of a provincial-level farmland classification system, and to explore the development of a scientifically sound and feasible method of summarizing provincial-level farmland data. ArcGIS was also used to construct a traceable query relation table between provincial- and country-level units. The results show that this method allows the development of an excellent farmland classification system. This farmland classification method provides a theoretical basis and technical support for the implementation of a provincial-level method of summarizing farmland data and the classification of farmland, even at the national level.

Key words: land management, farmland classification, multi-attribute cluster, provincial summary, Shaanxi province

卫新东, 王筛妮, 张转, 郭树延. 陕西省耕地质量分等省级成果汇总的多属性集簇方法[J]. 地理研究, 2015, 34(7): 1285-1294.

Xindong WEI, Shaini WANG, Zhuan ZHANG, Shuyan GUO. Summarizing methods of farmland classification by multi-attribute cluster in Shaanxi province[J]. GEOGRAPHICAL RESEARCH, 2015, 34(7): 1285-1294.

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县级单元编号	地类代码	地类名称	县级单元面积（hm²）	自然质量等	利用等	经济等	省级单元编号	省级单元面积（hm²）
6103232210010340	013	旱地	2039.81	11	11	12	6103230003	52791.05
6103232210010335			1800.66
6103232210010363			2013.59
6103232210010341			6696.01
6103232210010332			763.66
6103232210010174			902.20
6103232210010169			5505.02
6103232210010165			3192.63
6103232210010005			20461.40
6103232210010007			7799.29
6103232210010001			1616.78

陕西省耕地质量分等省级成果汇总的多属性集簇方法

Summarizing methods of farmland classification by multi-attribute cluster in Shaanxi province

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