2026-10-14T23:27:51Z https://www.scidb.cn/oai

10.57760/sciencedb.IGA.00715 2023-11-03T16:28:25Z

2023-11-03 US 1:5 million Soil Distribution Dataset (1972) doi:10.57760/sciencedb.iga.00715 en a. Data content (data file/table name, including observation index content) The US 1:5 million soil distribution dataset (1972) reflects the distribution of various soil types within the United States. The soil classification in this data is FAO soil classification, which includes nearly 100 soil types and nearly 500 combinations of different soil types. b. Construction purpose Understand the soil distribution throughout the United States and provide data services for scientific research on global terrestrial surface ecosystems. c. Service object Used by scientific and technological workers engaged in soil science, agricultural ecology, and other related research. d. Time range of data 1972 e. The spatial range of data Throughout the United States the United States; Soil Distribution; 1972 杜书立 PUBLIC https://creativecommons.org/publicdomain/zero/1.0/ dataset Science Data Bank