This dataset describes the euclidean distance (i.e. straight line; in meters) of each given raster cell to the closest freshwater feature (lake or river). Resolution 5 arc min.

Dryad2017-01-01 更新00

30 sec GPS ground tracking data

This data set comprises GPS ground data of a sample rate of 30 sec, generated by decoding and sampling GPS high rate ground data. This raw data passed no quality control. The data are giv

Global Change Master Directory (GCMD)00

Global 30 sec Arc-Second Hydro-logic One Kilometer Elevation

The HYDRO1k data sets are the result of the cooperative project at the U.S. Geological Survey's (U.S.G.S.) EROS Center. The goal of the project is the development of a globally consistent hydrologic d

DataONE2016-10-29 更新60

distance to water data 30 arc sec