经济与社会科学Free to access
Key facts
Contents & fields
The dataset contains four sheets covering place, population, precipitation, and war, which users can combine. No field-level description is provided on the source page.
Research uses
Suitable for studies in historical geography, demography, climate-conflict linkages, etc.
This card was drafted from the source page; institution, coverage, time span, scale, fields and license are subject to the official page (pending human review).
Keywords
Why this is hard to get on your own
Obtaining linked historical multi-source data (place, population, precipitation, war) but field details are unclear.