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Selection: with tag gridded-data [22 articles] 


SoilGrids250m: Global gridded soil information based on machine learning

PLOS ONE, Vol. 12, No. 2. (16 February 2017), e0169748,


This paper describes the technical development and accuracy assessment of the most recent and improved version of the SoilGrids system at 250m resolution (June 2016 update). SoilGrids provides global predictions for standard numeric soil properties (organic carbon, bulk density, Cation Exchange Capacity (CEC), pH, soil texture fractions and coarse fragments) at seven standard depths (0, 5, 15, 30, 60, 100 and 200 cm), in addition to predictions of depth to bedrock and distribution of soil classes based on the World Reference ...


A gridded global data set of soil, intact regolith, and sedimentary deposit thicknesses for regional and global land surface modeling

Journal of Advances in Modeling Earth Systems, Vol. 8, No. 1. (March 2016), pp. 41-65,


Earth's terrestrial near-subsurface environment can be divided into relatively porous layers of soil, intact regolith, and sedimentary deposits above unweathered bedrock. Variations in the thicknesses of these layers control the hydrologic and biogeochemical responses of landscapes. Currently, Earth System Models approximate the thickness of these relatively permeable layers above bedrock as uniform globally, despite the fact that their thicknesses vary systematically with topography, climate, and geology. To meet the need for more realistic input data for models, we developed a high-resolution ...


2D Euclidean distance transform algorithms: a comparative survey

ACM Computing Surveys, Vol. 40, No. 1. (February 2008), pp. 1-44,


The distance transform (DT) is a general operator forming the basis of many methods in computer vision and geometry, with great potential for practical applications. However, all the optimal algorithms for the computation of the exact Euclidean DT (EDT) were proposed only since the 1990s. In this work, state-of-the-art sequential 2D EDT algorithms are reviewed and compared, in an effort to reach more solid conclusions regarding their differences in speed and their exactness. Six of the best algorithms were fully implemented ...


A general algorithm for computing distance transforms in linear time

Mathematical Morphology and its Applications to Image and Signal Processing In Mathematical Morphology and its Applications to Image and Signal Processing, Vol. 18 (2000), pp. 331-340,


A new general algorithm for computing distance transforms of digital images is presented. The algorithm consists of two phases. Both phases consist of two scans, a forward and a backward scan. The first phase scans the image column-wise, while the second phase scans the image row-wise. Since the computation per row (column) is independent of the computation of other rows (columns), the algorithm can be easily parallelized on shared memory computers. The algorithm can be used for the computation of the ...


Climatologies at high resolution for the earth's land surface areas

(21 Sep 2016)


High resolution information of climatic conditions is essential to many application in environmental sciences. Here we present the CHELSA algorithm to downscale temperature and precipitation estimates from the European Centre for Medium-Range Weather Forecast (ECMWF) climatic reanalysis interim (ERA-Interim) to a high resolution of 30 arc sec. The algorithm for temperature is based on a statistical downscaling of atmospheric temperature from the ERA-Interim climatic reanalysis. The precipitation algorithm incorporates orographic predictors such as wind fields, valley exposition, and boundary layer height, ...


CHELSA climatologies at high resolution for the earth's land surface areas (Version 1.1)



CHELSA_v1.1 ( is a high resolution (30 arc sec, ~1 km) climate data set for the earth land surface areas. It includes monthly and annual mean temperature and precipitation patterns as well as derived bioclimatic and interannual parameters for the time period 1979-2013. CHELSA_v1.1 is based on a quasi-mechanistical statistical downscaling of the ERA interim global circulation model ( with a GPCC ( and GHCN ( bias correction. ...


MSWEP: 3-hourly 0.25° global gridded precipitation (1979–2015) by merging gauge, satellite, and reanalysis data

Hydrology and Earth System Sciences Discussions (30 May 2016), pp. 1-38,


Current global precipitation (P) datasets do not take full advantage of the complementary nature of satellite and reanalysis data. Here, we present Multi-Source Weighted-Ensemble Precipitation (MSWEP), a global P dataset for the period 1979–2015 with a 3-hourly temporal and 0.25° spatial resolution, specifically designed for hydrological modeling. The design philosophy of MSWEP was to optimally merge the highest quality P data sources available as a function of time scale and location. The long-term mean of MSWEP was based on the CHPclim ...


Spatial downscaling of European climate data

Int. J. Climatol., Vol. 36, No. 3. (1 March 2016), pp. 1444-1458,


E-OBS(European Observations) is a gridded climate data set which contains maximum temperature, minimum temperature, and precipitation on a daily time step. The data can be as fine as 0.25° in resolution and extends over the entire European continent and parts of Africa and Asia. However, for studying regional or local climatic effects, a finer resolution would be more appropriate. A continental data set with resolution would allow research that is large in scale and still locally relevant. Until now, a climate ...


Impacts of uncertainties in European gridded precipitation observations on regional climate analysis

Int. J. Climatol., Vol. 37, No. 1. (1 March 2017), pp. 305-327,


Gridded precipitation data sets are frequently used to evaluate climate models or to remove model output biases. Although precipitation data are error prone due to the high spatio-temporal variability of precipitation and due to considerable measurement errors, relatively few attempts have been made to account for observational uncertainty in model evaluation or in bias correction studies. In this study, we compare three types of European daily data sets featuring two Pan-European data sets and a set that combines eight very high-resolution ...


(INRMM-MiD internal record) List of keywords of the INRMM meta-information database - part 15

(February 2014)
Keywords: generalized-linear-models   genetic-adaptation   genetic-algorithms   genetic-conservation   genetic-correlations   genetic-differentiation   genetic-diversity   genetic-drift   genetic-resources   genetic-structure   genetic-variability   genetic-variation   genetically-modified-organism   genetics   genipa-americana   genomics   genotype-environment-interaction   genotypic-diversity   geobotany   geoffroea-decorticans   geographic-variation   geographical-range-limit   geographical-structure   geography-markup-language   geogrphical-range   geology   geomorphology   geonetwork   geopolitics   georgia   geospatial   geospatial-information-services   geospatial-semantic-array-programming   geostatistics   geothermal-energy   geranium-robertianum   germany   germination   ghg   gibberella-circinata   gibbsiella-quercinecans   gibraltar   ginkgo-biloba   ginkgoopsida   gis   glacial   glacial-refugia   glaciers   gleditsia-spp   gleditsia-triacanthos   gliricidia-sepium   glis-glis   global-biodiversity-information-facility   global-change   global-climate-models   global-scale   global-trend   global-warming   glossary   glyptostrobus-pensilis   gmelina-arborea   gnetopsida   gnu-bash   gnu-linux   gnu-make   gnu-octave   gnu-project   gnu-r   gold-open-access   google-scholar   government-policy   gplv2   gplv2orlater   gplv3   gplv3orlater   gplv3orlaterstatistics   graffenrieda-emarginata   grain   graph-theory   grass-gis   grass-gis-manual   grasslands   grazing   greece   green-alder   green-infrastructure   green-open-access   green-water   greenland   gregarina-typographi   gremmeniella-abietina   grevillea-robusta   gridded-data   ground-vegetation   groundwater   groundwater-table-depth   growing-stock   growth   growth-model   inrmm-list-of-tags  


List of indexed keywords within the transdisciplinary set of domains which relate to the Integrated Natural Resources Modelling and Management (INRMM). In particular, the list of keywords maps the semantic tags in the INRMM Meta-information Database (INRMM-MiD). [\n] The INRMM-MiD records providing this list are accessible by the special tag: inrmm-list-of-tags ( ). ...


GRASS GIS manual: r.watershed

In GRASS Development Team, 2014. GRASS GIS 7.1svn Reference Manual (2014)


r.watershed - Calculates hydrological parameters and RUSLE factors. ...


GRASS GIS manual: r.horizon

In GRASS Development Team, 2013. GRASS GIS 6.4.3svn Reference Manual (2013)


r.horizon - Horizon angle computation from a digital elevation model. Computes horizon angle height from a digital elevation model. The module has two different modes of operation: 1. Computes the entire horizon around a single point whose coordinates are given with the 'coord' option. The horizon height (in radians). 2. Computes one or more raster maps of the horizon height in a single direction. The input for this is the angle (in degrees), which is measured counterclockwise with east=0, north=90 etc. The ...


GRASS GIS manual: r.watershed

In GRASS Development Team, 2014. GRASS GIS 7.0.0svn Reference Manual (2014)


r.watershed - Calculates hydrological parameters and RUSLE factors. ...


A European daily high-resolution gridded data set of surface temperature and precipitation for 1950-2006

Journal of Geophysical Research: Atmospheres, Vol. 113, No. D20. (30 October 2008), D20119,


We present a European land-only daily high-resolution gridded data set for precipitation and minimum, maximum, and mean surface temperature for the period 1950–2006. This data set improves on previous products in its spatial resolution and extent, time period, number of contributing stations, and attention to finding the most appropriate method for spatial interpolation of daily climate observations. The gridded data are delivered on four spatial resolutions to match the grids used in previous products as well as many of the rotated ...


GRASS GIS manual: r.sun

In GRASS Development Team, 2013. GRASS GIS 6.4.3svn Reference Manual (2007)


r.sun - Solar irradiance and irradiation model. Computes direct (beam), diffuse and reflected solar irradiation raster maps for given day, latitude, surface and atmospheric conditions. ...


A comparison of tropical carbon maps



[Excerpt] This site uses Ecometrica's Our Ecosystem to dynamically compare maps of aboveground carbon (carbon stored in woody vegetation). Currently we compare two pantropical data sets, but we hope to add many more global, regional and small-scale data sets soon. The site has advanced functionality allowing the carbon maps to be viewed and compared at a full range of resolutions, and for a specific area of interest to be queried to view the different carbon stocks predicted by the maps, partitioned into ...


GRASS GIS manual: r.ros

In GRASS Development Team, 2013: GRASS GIS 6.4.3svn Reference Manual (2009)


r.ros - Generates three, or four raster map layers showing 1) the base (perpendicular) rate of spread (ROS), 2) the maximum (forward) ROS, 3) the direction of the maximum ROS, and optionally 4) the maximum potential spotting distance. ...


GRASS GIS manual: r.spread

In GRASS Development Team, 2013. GRASS GIS 6.4.3svn Reference Manual (2006)


r.spread - Simulates elliptically anisotropic spread on a graphics window and generates a raster map of the cumulative time of spread, given raster maps containing the rates of spread (ROS), the ROS directions and the spread origins. It optionally produces raster maps to contain backlink UTM coordinates for tracing spread paths. ...


GRASS GIS manual: r.neighbors

In GRASS Development Team, 2013: GRASS GIS 6.4.3svn Reference Manual (2010)


r.neighbors - Makes each cell category value a function of the category values assigned to the cells around it, and stores new cell values in an output raster map layer. ...


GRASS GIS manual: r.drain

In GRASS Development Team, 2013. GRASS GIS 6.4.3svn Reference Manual (2004)


r.drain - Traces a flow through an elevation model on a raster map. ...


GRASS GIS manual: r.cost

In GRASS Development Team, 2013. GRASS GIS 6.4.3svn Reference Manual (2011)


r.cost - Creates a raster map showing the cumulative cost of moving between different geographic locations on an input raster map whose cell category values represent cost. ...


A European daily high-resolution observational gridded data set of sea level pressure

Journal of Geophysical Research, Vol. 116, No. D11. (8 June 2011), D11110,
Keywords: dataset   e-obs   europe   gridded-data  


In this study we introduce a daily high-resolution land-only observational gridded data set for sea level pressure covering the European region as a new addition to the E-OBS gridded data sets of daily temperatures and precipitation amounts. This data set improves ...

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Integrated Natural Resources Modelling and Management - Meta-information Database.

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Meta-information Database (INRMM-MiD).
This database integrates a dedicated meta-information database in CiteULike (the CiteULike INRMM Group) with the meta-information available in Google Scholar, CrossRef and DataCite. The Altmetric database with Article-Level Metrics is also harvested. Part of the provided semantic content (machine-readable) is made even human-readable thanks to the DCMI Dublin Core viewer. Digital preservation of the meta-information indexed within the INRMM-MiD publication records is implemented thanks to the Internet Archive.
The library of INRMM related pubblications may be quickly accessed with the following links.
Search within the whole INRMM meta-information database:
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Full-text and abstracts of the publications indexed by the INRMM meta-information database are copyrighted by the respective publishers/authors. They are subject to all applicable copyright protection. The conditions of use of each indexed publication is defined by its copyright owner. Please, be aware that the indexed meta-information entirely relies on voluntary work and constitutes a quite incomplete and not homogeneous work-in-progress.
INRMM-MiD was experimentally established by the Maieutike Research Initiative in 2008 and then improved with the help of several volunteers (with a major technical upgrade in 2011). This new integrated interface is operational since 2014.