上海市1:400万土壤砂粒含量分布图（1980-1990）

编图的主要基础资料来源于全国第二次土壤普查，通过采用ARCVIEW对上海市级土壤图进行数字化，采用ARC/INFO对图层进行查错和编辑，并从上海市土种志中提取各亚类统计剖面的砂粒值，遵循一定的分类编码要求，以DBF的格式输入并存储。以上工作完成后，采用土壤类型法，实现上海市土壤空间图和土壤砂粒含量值的融合。

The primary foundational data for soil map compilation originates from the Second National Soil Survey of China. The Shanghai municipal soil map was digitized using ArcView, followed by error checking and editing of the map layers via Arc/INFO. Sand content values of the statistical profiles for each soil subclass were extracted from the Shanghai Soil Species Annals. These data were input and stored in DBF format in compliance with specified classification and coding requirements. Upon completion of all the above work, the spatial soil map of Shanghai and the soil sand content values were integrated using the soil type method.

搜集汇总

背景与挑战

背景概述

该数据集是基于全国第二次土壤普查资料，通过数字化上海市级土壤图并提取土种志中的砂粒含量值，采用土壤类型法融合空间图和属性数据而成。数据集覆盖上海市，时间跨度为1980-1990年，主要用于土壤地理学研究。