Questions tagged [land-cover]

The observed biophysical cover of the earth's surface. Data are essential elements in a wide array of government and private sector activities, including inventory, management, monitoring, and modeling.

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201 views

Land Prediction Logistic Regression

I use terrset idrisi software to create land cover prediction map for the year 2023 in land change modeler. I am trying to do this by implementing logistic regression which is in transition-sub model ...
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78 views

How do I report area statistics for land cover classes at equal sections along a river?

I have a river outlined: Using QGIS, the Semi-automatic Classification plugin and Landsat 8 images I classified the habitats (blue=water, yellow=sand/rock...,green=vegetation/algae) inside the river ...
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384 views

How to calculate areas in raster files

I have three files. The first is a shapefile for country boundaries and the second and third are raster files with the global land covers for 2005 and 2009. I'm thus charged to calculate the areas for ...
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108 views

Percent cover based equation for horizontal ground visibility?

I'm trying to put together a layer representing horizontal visibility at ground level. I'm thinking of using the EVC (vegetation cover) layer from the landfire project (see http://www.landfire.gov/...
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30 views

AttributeError: 'NoneType' object has no attribute 'GetFeatureCount'

I am trying to use the Landscape Vector Overlay function in the LecoS plugin to calculate the amount of various proportions of land cover types (using an ordinary landscape raster) within buffer ...
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150 views

Supervised classification using endmember spectra (using ENVI 5.1)

We are trying to map land cover classes over a small watershed. We have selected training sites (during a field campaign in early 2017) and determined their spectral profiles on a Landsat 8 image ...
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84 views

LULC using SAR data

I have a Geocoded SAR data with me. I have to perform LULC classification. I have been given a shapefile (vector data) with the different LULC categories of the region. The region is mainly composed ...
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101 views

Calculate cover loss between years using r.mapcalc

I am working on forest cover raster data for 2 years and am interested in areas with >5% loss in forest cover. I am pretty new in GRASS GIS, so any suggestions for how to create a difference map of ...
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151 views

filling the attributes according to intersection of two layers (Postgresql)

How to automatically fill attributes of a point layer according to the exact position in the polygon layer? I mean how to write a command in PostgreSQL to automatically fill the attributes by the ...
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230 views

Maxent output clips to minimum extent of all input variables

I am experiencing an issue with the spatial extent of my output ASC files. I am using the UK Land Cover Map (LCM) 2007 at 25 metres resolution as a categorical variable in my Maxent modelling, ...
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177 views

Distinguish between the types of cultivated crops in remote sensing

I recently produced map of LULC but there is the difficulty of distinguishing between the types of crops. Is there a method to distinguish between the types of cultivated crops such as wheat, barley, ...
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1answer
141 views

Extract areas with certain pixel values from raster

I have land cover data from GEE (https://developers.google.com/earth-engine/datasets/catalog/ESA_GLOBCOVER_L4_200901_200912_V2_3) for specific countries. I would like to extract the values from the ...
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51 views

Export classified land cover types as table - Google Earth Engine

My question relates to extracting the area of different land cover types in a region. So far, I classified a Landsat7 image using MODIS data as classifier. When I choose a point on the Map, the ...
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42 views

Calculating area of land cover within 30m of streams for whole U.S.?

I'm trying to do a very simple analysis where I need to find all land cover of a certain type within 30 meters of a stream. I have a raster from the National Land Cover Database (NLCD) from which I've ...
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17 views

Vector to Raster

I traced land use as forest (purple) and non-forest (Teal) in my study area of 117sq.km. from google earth. I have attached a copy of the landcover file which I have created. I need to convert this ...
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33 views

Creating landcover map from KML files

I am trying to understand the effect of forest fragmentation on vertebrate populations. I need to analyse my study area using Fragstats however, I couldn't find a suitable land cover map for my study ...
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40 views

Calculate % agriculture and % forestry cover across each 10km square of the UK

I am working on investigating the relationship between agricultural intensity and the diversity of birds. I have a shapefile of a map that splits the UK into 10km squares and for each square I need to ...
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19 views

Landcover Legend

When I download landcover, the legend for pseudocolouring is always a number rather than the actual legend which was shown where I downloaded the data. How would I go about getting the actual land use ...
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50 views

Extracting certain landcover type in CONUS with Google Earth Engine?

I am new to Google Earth Engine and I would like to export the pixels with landcover type of deciduous broadleaf forest (MCD12Q1 with LC_Type1 equals to 4) in google earth engine. And the following is ...
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154 views

How to extract land cover type data (%) from raster file using Zonal Stats from overlaid polygon grid, QGIS

I have a very large raster file of land use types for a landscape. I am trying to run an occupancy model of large carnivores and need to test the weight as a covariate, of human settlements. Human ...
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99 views

What's the difference between classification/clustering and zoning?

A week ago I had an exam and there was a question: What are the main steps of zoning in a GIS? I didn't understand the question and asked the instructor what does she mean by zoning (in ...
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41 views

Preprocess a thematic raster to produce multi-band raster of proportions?

I've been trying to figure out a way to pre-process a single-band thematic raster dataset (e.g., land cover) to produce a multi-band raster of proportional cover. For example, consider a land cover ...
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95 views

Disconnect Polygons connected to each other by roads?

I am working with a land cover polygon. I have a "land" class and a "road" class. I am trying to disconnect islands in this polygon from each other. They are connected by roads. Can anyone think of ...
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157 views

FragStat metrics analysis of urban land uses

I am trying to do a land use analysis in FRAGSTAT VERSION 4.2 for, 1995, 2005 and 2013. My land uses of interest are low density, medium density, high density residential areas, commercial, ...
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214 views

Land cover generation

I am working on a river watershed on QGIS and I need a land cover map. I have a good raster of land use data with 15 m resolution for year 2015, but it covers around the 90 % of the basin. I have ...
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150 views

How to create alluvial diagrams for land use change analysis

I have two landuse change maps and I'd like to create some alluvial diagrams to show change over time. This way I can tell what became what. Are there any tools in QGis or other GIS that can create ...
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138 views

Hard wood tree and Soft wood(shrubs) Vegetation Differentiaton

How I Differentiate Hard wood tree (like Mango, Sal) and Soft wood(shrubs like reed) Vegetation using Multispectral or Hyperspectral Image? I have TM, ETM, OLI, Hyperion, Aster Image and ERDAS 2011, ...
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190 views

What kind of raster mosaicking to use in land cover analysis

I have to mosaic two rasters (Landsat ETM+ scenes) to one single image and then analyse its land cover. Which option to use to avoid seeing a distinct line in the place where two different scenes/...
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150 views

Effects of heterogeneous vegetation in mapping canopy cover using randomForest in R

I have a 5.8 m resolution satellite image (LISS IV aboard IRS-P6, in the wavelength (micrometers): 0.52 - 0.59 (band 2),0.62 - 0.68 (band 3) and 0.77 - 0.86 (band4). The swath covers a densely ...
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1k views

Legend of CORINE land cover in ArcGIS 10.x layer file

I am looking for the legend of Land Cover (Corine Land Cover) for ArcsGIS 10.x. as a layer (.lyr) file. I want to symbolize the classes without setting the RGB color values one by one; especially for ...
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63 views

How do I use the SPOT land cover data?

This is a follow-up to my previous question: Where can I find recent rainforest (change) land cover data? I have succeeded in finding data that more or less meet my needs but I cannot interpret them:...
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14 views

Which year change does NLCD Land Cover Change Index show?

After downloading the National Land Cover Dataset (NLCD) Land Cover Change Index from the Multi-Resolution Land Characteristics Consortium (MRLCC) website, it only contains one raster file. However, ...
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19 views

How to convert Google Earth KML to Raster with classes for Fragstats

I have digitized the Google Earth imagery for a 117 sq. km. area and have classified the land-use into forest and non-forest sites. I need to use this map for fragstats and calculation of landscape ...
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47 views

Google Earth Engine - Extract land cover classes

I am trying to extract single class from corine land cover (e.g. forest_coniferous), but I am not sure if there is a way to do that! var dataset = ee.Image('COPERNICUS/CORINE/V18_5_1/100m/2012'); var ...
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89 views

Google Earth Engine error “Collection query aborted after accumulation over 5000 elements” - Land Use Land Cover

what to do if there is an error generating "Collection query aborted after accumulation over 5000 elements" after the feature collection accumulation for LULC classification in google earth engine?
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23 views

Corine Land Cover data is not the same as in reality

I downloaded a CLC2000 shapefile and clipped it after a county shapefile in QGIS. The goal was to calculate the total land area, but the amount obtained of 983.759 Ha does not coincide with the real ...
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1answer
49 views

How to Select Attributes from a Selection of Attributes

I have a land-cover map for an area in which I want to identify certain attributes that fall within a category. I want to select the shapes that represent wetlands that are in a grassland area. To do ...
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26 views

Correct translation of Norwegian landcover classes derived from WMS?

I am making a map of the study site located in Norway. I have accessed the awesome and free WMS data regarding landcover (I guess: N250 Arealdekkeflate) https://openwms.statkart.no/skwms1/wms.topo4....
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202 views

Growing Season Length in Google Earth Engine?

I am trying to estimate growing season length with the MCD12Q2 dataset (Land Cover Dynamics Yearly L3 Global 500 m), which includes dates for the start and end of the growing season (...
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1answer
272 views

How do I compute the forest area for different regions?

I am currently struggling to compute the forest area of some regions. I am an absolute beginner with Google Earth Engine. I tried it 2 different ways, mostly by copying and editing code I found. ...
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129 views

Getting fractional count of pixels in raster map using QGIS?

I have a raster map consisting of 22 land cover classes (LCC). Each pixel is 300 x 300 meters in dimension and contain one of the 22 LCC. I need to make 1 km x 1 km cells in the parent grid and count ...
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1answer
55 views

Seeking remotely sensed data for measuring urban gardens?

One of the students in my lab is currently seeking methods for measuring the very small size of urban green spaces in people's gardens. Is there a data set out there that may be appropriate for this?...
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77 views

How to assess significant land cover changes using Chi-square test?

I have a series of land use maps at different times as a result of a classification process on Landsat images. I am mapping 3 different thematic classes : bare soils, vegetation and croplands. I ...
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191 views

Are the CORINE Landcover datasets available by country?

I found the overall dataset for Europe but it is a huge file for my computer to run. I would like to have a shapefile for the Netherlands specifically. http://land.copernicus.eu/pan-european/corine-...
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27 views

Integrate Land Use Data into Google Earth Engine

I want to Extract Land Use Data For Mumbai City,India and use the classification method to Compute NDBI,NDVI,NDWI Is there any way to integrate land use data into google earth engine for my ...