| Climate | |
|---|---|
| Climatic Research Unit Time Series (CRUTS_322) | |
| Data provider | Climate Research Unit |
| Data access | CEDA Archive CRU TS3.22 |
| Notes | Version 3.22, used in IPUMS Terra, has been superseded. The version 3.22 data are available from the CEDA Archive, linked above. The current version of the time series data, as well as related datasets and other information are available from the CRU data page. |
| Citation | University of East Anglia Climatic Research Unit; Harris, I.C.; Jones, P.D. (2014): CRU TS3.22: Climatic Research Unit (CRU) Time-Series (TS) Version 3.22 of High Resolution Gridded Data of Month-by-month Variation in Climate (Jan. 1901- Dec. 2013). NCAS British Atmospheric Data Centre, 23 September 2014. |
| DOI | 10.5285/18BE23F8-D252-482D-8AF9-5D6A2D40990C |
| WorldClim (WORLDCLIM) | |
| Data provider | WorldClim |
| Data access | WolrdClim version 2 |
| Notes | The version used in IPUMS Terra is obsolete and no longer available. The updated version 2, linked above, covers the period 1970-2000 and includes an extended set of variables. |
| Citation | Fick, S.E., R.J. Hijmans (2017), WorldClim 2: new 1-km spatial resolution climate surfaces for global land areas. International Journal of Climatology 37(12): 4302-4315 |
| DOI | 10.1002/joc.5086 |
| Land Cover | |
|---|---|
| MODIS Land Cover Type (MODIS_IGBP) | |
| Data provider | NASA EOSDIS Land Processes DAAC |
| Data access | MCD12q1v061 |
| Notes | Version 5.1, used in IPUMS Terra, is no longer available. The corresponding updated version, 6.1, linked above, covers 2001-2021. Terra used the IGBP classification. |
| Citation | Friedl, M., D. Sulla-Menashe. MODIS/Terra+Aqua Land Cover Type Yearly L3 Global 500m SIN Grid V061. 2022, distributed by NASA EOSDIS Land Processes DAAC. |
| DOI | 10.5067/MODIS/MCD12Q1.061 |
| Global Land Cover 2000 (GLC2000) | |
| Data provider | European Commission Joint Research Centre - Forest Resources and Carbon Emissions |
| Data access | Global Land Cover 2000 |
| Notes | IPUMS Terra used the Global Product. |
| Citation | The Global Land Cover Map for the Year 2000 (2003), GLC2000 database, European Commission Joint Research Centre. |
| DOI | N/A |
| Agricultural Land Use | |
|---|---|
| Crop and Pasture Lands (GLIAGLAND) | |
| Data provider | EarthStat |
| Data access | Cropland and Pasture Area in 2000 |
| Notes | These data are the same version used in IPUMS Terra. EarthStat also has several additional agriculturally-related datasets. |
| Citation | Ramankutty, N., A.T. Evan, C. Monfreda, and J.A. Foley (2008), Farming the planet: 1. Geographic distribution of global agricultural lands in the year 2000. Global Biogeochemical Cycles 22, GB1003 |
| DOI | 10.1029/2007GB002952 |
| Harvested Area and Yield of 175 Crops (GLICROPS) | |
| Data provider | EarthStat |
| Data access | Harvested Area and Yield for 175 Crops |
| Notes | These data are the same version used in IPUMS Terra. EarthStat also has several additional agriculturally-related datasets. |
| Citation | Monfreda, C., N. Ramankutty, and J. A. Foley (2008), Farming the planet: 2. Geographic distribution of crop areas, yields, physiological types, and net primary production in the year 2000, Global Biogeochem. Cycles, 22, GB1022 |
| DOI | 10.1029/2007GB002947 |