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Selection: with tag grass-gis [30 articles] 

 

Generalized 3D fragmentation index derived from lidar point clouds

  
Open Geospatial Data, Software and Standards, Vol. 2, No. 1. (20 April 2017), https://doi.org/10.1186/s40965-017-0021-8

Abstract

[Background] Point clouds with increased point densities create new opportunities for analyzing landscape structure in 3D space. Taking advantage of these dense point clouds we have extended a 2D forest fragmentation index developed for regional scale analyses into a 3D index for analyzing vegetation structure at a much finer scale. [Methods] Based on the presence or absence of points in a 3D raster (voxel model) the 3D fragmentation index is used to evaluate the configuration of a cell’s 3D neighborhood resulting in fragmentation classes ...

 

A new fully gap-free time series of land surface temperature from MODIS LST data

  
Remote Sensing, Vol. 9, No. 12. (20 December 2017), 1333, https://doi.org/10.3390/rs9121333

Abstract

Temperature time series with high spatial and temporal resolutions are important for several applications. The new MODIS Land Surface Temperature (LST) collection 6 provides numerous improvements compared to collection 5. However, being remotely sensed data in the thermal range, LST shows gaps in cloud-covered areas. We present a novel method to fully reconstruct MODIS daily LST products for central Europe at 1 km resolution and globally, at 3 arc-min. We combined temporal and spatial interpolation, using emissivity and elevation as covariates ...

 

How innovations thrive in GRASS GIS

  
In North Carolina GIS Conference, NCGIS2017 (2017)

Abstract

[Poster topic highlights] [::] Algorithms and models included in GRASS GIS remain available long term (Chemin et al., 2015). [::] Analytical tools are not limited to one domain but spread across many fields. [::] New tools can be built based on functionality or code of the existing ones regardless of the particular domain of problems they belong to. [::] Both the functionality and the code are evaluated by the community of users and developers in different fields and scales. [General GRASS GIS highlights] [::] The GRASS GIS development team ...

 

Wildfire modeling in GRASS GIS

  
(April 2014)

Abstract

[Description] This paper introduces implementation of wildfire modeling tool for GRASS GIS named r.fire.spread based on existing r.ros and r.spread modules which were reviewed as part of this project. The new tools was tested in the Lewis Mountain study area in Shenandoah National Park in Virginia and compared to an actual fire which happened in the area in April 2006. [Excerpt: Introduction] The core of wildre spread modeling in GRASS GIS [Neteler et al. 2012] consists of two modules r.ros and r.spread [Xu 1994]. ...

References

  1. Anderson, H.E., 1982. Aids to determining fuel models for estimating fire behavior. In: The Bark Beetles, Fuels, and Fire Bibliography, p.143. http://www.fs.fed.us/rm/pubs_int/int_gtr122.pdf , INRMM-MiD:12114185 .
  2. Clements, C.B., Perna, R., Jang, M., Lee, D., Patel, M., Street, S., Zhong, S., Goodrick, S., Li, J., Potter, B.E., Bian, X., 2007. Observing the dynamics of wildland grass fires: FireFlux-A field validation experiment. Bulletin of the American Meteorological Society 88(9), 1369-1382. https://doi.org/10.1175/BAMS-88-9-1369 .
 

(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  

Abstract

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 ( http://mfkp.org/INRMM/tag/inrmm-list-of-tags ). ...

 

The integration of land change modeling framework FUTURES into GRASS GIS 7

  
In Free and Open Source Software for Geospatial - Open innovation for Europe, Vol. 12 (2015), pp. 21-24

Abstract

Many valuable models and tools developed by scientists are often inaccessible to their potential users because of non-existent sharing infrastructure or lack of documentation. Case in point is the FUTure Urban-Regional Environment Simulation (FUTURES), a patch-based land change model for generating scenario-based regional forecasts of urban growth pattern. Despite a high- impact publication, few scientists, planners, or policy makers have adopted FUTURES due to complexity in use and lack of direct access. We seek to address these issues by integrating FUTURES into GRASS GIS, a free and open source ...

References

  1. Bivand, R. (2007). Using the R–Grass interface. OSGeo Journal, 1, 36-38.
  2. Chemin, Y Petras, V., Petrasova, A., Landa, M., Gebbert, S., Zambelli, P., Neteler, M., Löwe, P., Di Leo, M. (2015). GRASS GIS: a peer-reviewed scientific platform and future research repository. Geophysical Research Abstracts 17, 8314+. INRMM-MiD:13544126
  3. Di Leo, M., de Rigo, D., Rodriguez-Aseretto, D., Bosco, C., Petroliagkis, T., Camia, A., San-Miguel-Ayanz, J. (2013). Dynamic data driven ensemble for wildfire behaviour
 

Open Source software and GIS

  
In Open source GIS a GRASS GIS approach, Vol. 773 (2008), pp. 1-6, https://doi.org/10.1007/978-1-4757-3578-9_1

Abstract

Over the past decade, Geographical Information Systems (GIS) have evolved from a highly specialized niche to a technology that affects nearly every aspect of our lives, from finding driving directions to managing natural disasters. While just a few years ago the use of GIS was restricted to a group of researchers, planners and government workers, now almost everybody can create customized maps or overlay GIS data. On the other hand, many complex problems related to urban and regional planning, environmental protection, or business management, require ...

 

Determination of incoming solar radiation in major tree species in Turkey

  
Journal of Environmental Biology, Vol. 33, No. 4. (2012), pp. 817-821

Abstract

Light requirements and spatial distribution of major forest tree species in Turkey hasn't been analyzed yet. Continuous surface solar radiation data, especially at mountainous-forested areas, are needed to put forward this relationship between forest tree species and solar radiation. To achieve this, GIS-based modeling of solar radiation is one of the methods used in rangelands to estimate continuous surface solar radiation. Therefore, mean monthly and annual total global solar radiation maps of whole Turkey were computed spatially using GRASS GIS software ...

 

GRASS GIS: a peer-reviewed scientific platform and future research repository

  
Geophysical Research Abstracts In European Geosciences Union (EGU) General Assembly 2013, Vol. 17 (2015), 8314

Abstract

Geographical Information System (GIS) is known for its capacity to spatially enhance the management of natural resources. While being often used as an analytical tool, it also represents a collaborative scientific platform to develop new algorithms. Thus, it is critical that GIS software as well as the algorithms are open and accessible to anybody [18]. We present how GRASS GIS, a free and open source GIS, is used by many scientists to implement and perform geoprocessing tasks. We will show how integrating scientific algorithms into ...

References

  1. Baker, W.L., Cai, Y., 1992. The r.le programs for multiscale analysis of landscape structure using the GRASS geographical information system. Landscape Ecology 7(4), 291-302.
  2. Cannata M., Marzocchi R., 2012. Two-dimensional dam break flooding simulation: a GIS embedded approach. Natural Hazards 61(3), 1143-1159.
  3. Chemin, Y.H., 2012. A Distributed Benchmarking Framework for Actual ET Models. In Evapotranspiration - Remote Sensing and Modeling, Intech (Eds).
  4. Chemin, Y.H., 2014.
 

GRASS GIS manual: r.li

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

Abstract

[Excerpt] The r.li suite is a toolset for multiscale analysis of landscape structure. It aims at implementing metrics as found in external software for quantitative measures of landscape structure like FRAGSTATS (McGarigal and Marks 1995). [\n] The r.li suite offers a set of patch and diversity indices. It supports analysis of landscapes composed of a mosaic of patches, but, more generally, the modules work with any two-dimensional raster map whose cell values are integer (e.g., 1, 2) or floating point (e.g., 1.1, ...

 

GRASS GIS manual: v.surf.rst

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

Abstract

v.surf.rst - Performs surface interpolation from vector points map by splines. Spatial approximation and topographic analysis from given point or isoline data in vector format to floating point raster format using regularized spline with tension. ...

 

GRASS GIS manual: r.watershed

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

Abstract

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

 

Simulating the spread of wildfires using a geographic information system and remote sensing

  
(1994)
Keywords: fire-fuel   forest-fires   grass-gis   rros   rspread   wildfires  
 

GRASS GIS manual: r.slope.aspect

  
In GRASS Development Team, 2014. GRASS GIS 7.1svn Reference Manual (2004)

Abstract

r.slope.aspect - Generates raster maps of slope, aspect, curvatures and partial derivatives from an elevation raster map. Aspect is calculated counterclockwise from east. ...

References

  1. Horn, B. K. P. (1981). Hill Shading and the Reflectance Map, Proceedings of the IEEE, 69(1):14-47.
  2. Mitasova, H. (1985). Cartographic aspects of computer surface modeling. PhD thesis. Slovak Technical University , Bratislava
  3. Hofierka, J., Mitasova, H., Neteler, M., 2009. Geomorphometry in GRASS GIS. In: Hengl, T. and Reuter, H.I. (Eds), Geomorphometry: Concepts, Software, Applications. Developments in Soil Science, vol. 33, Elsevier, 387-410 pp, http://www.geomorphometry.org
 

GRASS GIS manual: r.horizon

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

Abstract

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)

Abstract

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

 

Dynamic data driven ensemble for wildfire behaviour assessment: a case study

  
IFIP Advances in Information and Communication Technology, Vol. 413 (2013), pp. 11-22, https://doi.org/10.1007/978-3-642-41151-9_2

Abstract

Wildfire information has long been collected in Europe, with particular focus on forest fires. The European Forest Fire Information System (EFFIS) of the European Commission complements and harmonises the information collected by member countries and covers the forest fire management cycle. This latter ranges from forest fire preparedness to post-fire impact analysis. However, predicting and simulating fire event dynamics requires the integrated modelling of several sources of uncertainty. Here we present a case study of a novel conceptualization based on a Semantic ...

 

GRASS GIS manual: r.sun

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

Abstract

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 data-driven model for large wildfire behaviour prediction in Europe

  
Procedia Computer Science, Vol. 18 (2013), pp. 1861-1870, https://doi.org/10.1016/j.procs.2013.05.355

Abstract

The European Forest Fire Information System (EFFIS) has been established by the Joint Research Centre (JRC) and the Directorate General for Environment (DG ENV) of the European Commission (EC) in close collaboration with the Member States and neighbour countries. EFFIS is intended as complementary system to national and regional systems in the countries, providing harmonised information required for international collaboration on forest fire prevention and fighting and in cases of trans-boundary fire events. However, one missing component in the system is ...

 

GRASS GIS manual: r.ros

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

Abstract

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)

Abstract

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. ...

 

Toward open science at the European scale: Geospatial Semantic Array Programming for integrated environmental modelling

  
Geophysical Research Abstracts In European Geosciences Union (EGU) General Assembly 2013, Vol. 15 (2013), 13245, https://doi.org/10.6084/m9.figshare.155703

Abstract

[Excerpt] Interfacing science and policy raises challenging issues when large spatial-scale (regional, continental, global) environmental problems need transdisciplinary integration within a context of modelling complexity and multiple sources of uncertainty. This is characteristic of science-based support for environmental policy at European scale, and key aspects have also long been investigated by European Commission transnational research. Approaches (either of computational science or of policy-making) suitable at a given domain-specific scale may not be appropriate for wide-scale transdisciplinary modelling for environment (WSTMe) and ...

 

Open source GIS a GRASS GIS approach

  

Abstract

Includes material relating to GRASS6, this third edition contains sections covering database management working with attributes and SQL, reflecting the substantial extension of GRASS capabilities for managing attributes stored in various database systems. ...

 

GRASS GIS manual: r.neighbors

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

Abstract

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)

Abstract

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

 

Simple Comparison of Two Least-Cost Path Approaches

  
In Open Source Software Tools for Soil Scientists (2008)

Abstract

Premise: Simple comparison between the least-cost path as computed by r.walk vs. r.cost. Default parameters, unity travel friction, and λ = 1 were used with r.walk. Slope percent was used as the accumulated cost for r.cost. Test region similar to that used in a previous navigation example. Results: r.walk Shorter total path (6.03 km) Tendency to stay mid-slope, and cross large drainage at the gentlest ...

 

GRASS GIS manual: r.cost

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

Abstract

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. ...

 

Free and open source geographic information tools for landscape ecology

  
Ecological Informatics, Vol. 4, No. 4. (13 September 2009), pp. 183-195, https://doi.org/10.1016/j.ecoinf.2009.07.004
Keywords: ecology   gis   grass-gis   gvsig   ilwis   landscape-modelling   quantum-gis   review   saga   udig  

Abstract

Geographic Information tools (GI tools) have become an essential component of research in landscape ecology. In this article we review the use of GIS (Geographic Information Systems) and GI tools in landscape ecology, with an emphasis on free and open source software (FOSS) projects. Specifically, we introduce the background and terms related to the free and open source software movement, then compare eight FOSS desktop GIS with proprietary GIS to analyse their utility for landscape ecology research. We also provide a ...

 

GRASS GIS: a multi-purpose open source GIS

  
Environmental Modelling & Software, Vol. 31 (May 2012), pp. 124-130, https://doi.org/10.1016/j.envsoft.2011.11.014

Abstract

The GIS software sector has developed rapidly over the last ten years. Open Source GIS applications are gaining relevant market shares in academia, business, and public administration. In this paper, we illustrate the history and features of a key Open Source GIS, the Geographical Resources Analysis Support System (GRASS). GRASS has been under development for more than 28 years, has strong ties into academia, and its review mechanisms led to the integration of well tested and documented algorithms into a joint ...

 

Architecture of a pan-European framework for integrated soil water erosion assessment

  
IFIP Advances in Information and Communication Technology, Vol. 359 (2011), pp. 310-318, https://doi.org/10.1007/978-3-642-22285-6_34

Abstract

Soil erosion implications on future food security are gaining global attention because in many areas worldwide there is an imbalance between soil loss and its subsequent deposition. Soil erosion is a complex phenomenon affected by many factors such as climate, topography and land cover (in particular forest resources, natural vegetation and agriculture) while directly influencing water sediment transport, the quality of water resources and water storage loss. A modeling architecture, based on the Revised Universal Soil Loss Equation, is proposed and ...

This page of the database may be cited as:
Integrated Natural Resources Modelling and Management - Meta-information Database. http://mfkp.org/INRMM/tag/grass-gis

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Bibtex, RIS, RSS/XML feed, Json, Dublin Core

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.