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Global land cover is an essential climate variable and a key biophysical driver for earth system models. While remote sensing technology, particularly satellites, have played a key role in providing land cover datasets, large discrepancies have been noted among the available products. Global land use is typically more difficult to map and in many cases cannot be remotely sensed. In-situ or ground-based data and high resolution imagery are thus an important requirement for producing accurate land cover and land use datasets and this is precisely what is lacking. Here we describe the global land cover and land use reference data derived from the Geo-Wiki crowdsourcing platform via four campaigns. These global datasets provide information on human impact, land cover disagreement, wilderness and land cover and land use. Hence, they are relevant for the scientific community that requires reference data for global satellite-derived products, as well as those interested in monitoring global terrestrial ecosystems in general.
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Name: Scientific data
Gross primary production (GPP) is the Earth's largest carbon flux into the terrestrial biosphere and plays a critical role in regulating atmospheric chemistry and global climate. The Moderate Resoluti...
Quantifying and monitoring the spatial and temporal dynamics of the global land cover is critical for better understanding many of the Earth's land surface processes. However, the lack of regularly up...
Soil properties play an important role in watershed hydrology and environmental modeling. In order to model realistic hydrologic processes, it is necessary to obtain compatible soil data. This study i...
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Land cover maps provide us with a unique opportunity to monitor our environmental and anthropogenic resources over space and time. Temporal land cover maps increase the efficiency of land monitoring p...
The objective of this study is to investigate the relative effectiveness of CCT on water versus on land in stroke patients. Additionally, the study will to determine if there are differenc...
This study aimed to address whether a water exercise programme improves pain and quality of life in pregnant patients with Pelvic Girdle Pain (PGP) compared to a land-based exercise progra...
The primary objective is to evaluate water based treadmill exercise, land based treadmill exercise, and upright cycling in meeting American College of Sports Medicine exercise goals for mo...
The aim of this study is to compare the effectiveness of a specific aquatic therapy program on balance with a land-based physical-treatment in patients with Parkinson's disease and to eval...
Field hockey players, recruited from clubs in Jamaica, will be randomized to either a water training or land training groups. Persons will be exposed to 6 weeks of plyometric training with...
A thick mass of ICE formed over large regions of land, RIVERS, lakes, ponds, or SEAWATER.
The science dealing with the earth and its life, especially the description of land, sea, and air and the distribution of plant and animal life, including humanity and human industries with reference to the mutual relations of these elements. (From Webster, 3d ed)
The largest of the continents. It was known to the Romans more specifically as what we know today as Asia Minor. The name comes from at least two possible sources: from the Assyrian asu (to rise) or from the Sanskrit usa (dawn), both with reference to its being the land of the rising sun, i.e., eastern as opposed to Europe, to the west. (From Webster's New Geographical Dictionary, 1988, p82 & Room, Brewer's Dictionary of Names, 1992, p34)
Works consisting of organized collections of data, which have been stored permanently in a formalized manner suitable for communication, interpretation, or processing.
Tracts of land completely surrounded by water.