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LBA Regional Mean Climatology, 0.5-Deg, 1930-1960, V. 2.1 (Cramer and Leemans)

Data Set Overview

Data setLBA Regional Mean Climatology, 0.5-Deg, 1930-1960, V. 2.1 (Cramer and Leemans)
Release date2003-09-15
ProjectLarge Scale Biosphere-Atmosphere
Time Period1931-01-01 to 1960-12-31


This data set is a subset of Cramer and Leemans' (2001) global database of mean monthly climatology, which contains monthly averages of mean temperature, temperature range, precipitation, rain days, and sunshine hours for terrestrial areas during 1931-1960. This subset was created for the Large Scale Biosphere-Atmosphere Experiment in Amazonia (LBA) in South America (i.e., latitude 10 N to 25 S, longitude 30 to 85 W). The data are presented at 0.5-degree latitude/longitude resolution in ASCII GRID file format. Cramer and Leemans (2001, Version 2.1) constituted a major update of an earlier database, Leemans and Cramer (1991). The new version was generated from a larger database by means of the partial thin-plate splining algorithm developed by Michael F. Hutchinson, Canberra (Hutchinson and Bischof 1983). Version 2.1 has been used widely, notably by all groups participating in the International Geosphere-Biosphere Programme's Net Primary Productivity (NPP) model intercomparison (Olsen et al. 2001). More information about the data can be found at LBA was a cooperative international research initiative led by Brazil. NASA was a lead sponsor for several experiments. LBA was designed to create the new knowledge needed to understand the climatological, ecological, biogeochemical, and hydrological functioning of Amazonia; the impact of land use change on these functions; and the interactions between Amazonia and the Earth system. More information about LBA be found at


Data set reference document


Cramer, W.P., and R. Leemans. 2003. LBA Regional Mean Climatology, 0.5-Deg, 1930-1960, V. 2.1 (Cramer and Leemans). ORNL DAAC, Oak Ridge, Tennessee, USA.
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Large Scale Biosphere-Atmosphere : The Large-Scale Biosphere-Atmosphere Experiment in Amazonia (LBA) is an intensive scientific investigation of the tropical rainforest of Brazil and portions of adjacent countries. Like FIFE and BOREAS, this project uses intensive remote-sensing techniques and ground-based experiments to investigate the atmosphere-biosphere-hydrosphere dynamics of this large tropical region. The LBA Project encompasses several scientific disciplines, or components. The LBA-ECO component focuses on the question: "How do tropical forest conversion, regrowth, and selective logging influence carbon storage, nutrient dynamics, trace gas fluxes, and the prospect for sustainable land use in Amazonia?"

Project data set list for Large Scale Biosphere-Atmosphere .

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  • cramer_lmns_readme.pdf

Data Files

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Data File (Granule)File SizeDates
cloud.tar.gz 31.6 KB 1931-01-01 - 1960-12-31
precip.tar.gz 76.1 KB 1931-01-01 - 1960-12-31
temp.tar.gz 73.6 KB 1931-01-01 - 1960-12-31

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