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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28 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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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 ...
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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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How to compute only urban area from the give code

'land_and_cover_type_1" class has 1-16 whare "Urban and built-up" has the valus 13 with color code a5a5a5 i only want to compute the urban part of land insted of whole 1-16 value how to do that var ...
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1answer
22 views

How to apply trained classifier to entire Landsat collection in Google Earth Engine

I have classified the 2019 image using Google Earth Engine. How can I use the training data and code I have for 2019 and apply it from 1984 to 2018 instead of training/running a code for each image ...
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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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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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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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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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1answer
49 views

Measuring the ground coverage in % of a transparent getiff along a path of a vectorline in QGIS

I am searching for a way to measure the ground coverage in QGIS. I have an high resoluted orhtomosaic of an agricultural plot trial where i have extracted the organic material on the surface: The ...
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1answer
202 views

Difference between two vector layer

I have two vector layer land cover for 2016 and 2018. I want to get result layer that will show changes in land cover e.g. the forest has changed into a meadow. What option in QGIS can I do that. In ...
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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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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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129 views

How to visualize data for a specific class in change detection plot in R?

I have created a change detection plot shown in image below for two rasters having 6 classes each using the code below. Now the plot, shows the change for all the classes but i am interested in only ...
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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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26 views

JS libraries that work with land use maps? [closed]

I'm incredibly new to GIS, but not to web development. I have two land cover maps for two islands, which I'm spatializing data on top of for a web app. This data is agnostic of any real location data ...
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Converting output of crosstab() in R to raster; from classified raster images to show overall land cover change in different classes?

I have two classified landsat images from 2014 and 2018 both of them containing 6 classes including urban,forest,barren etc. In order to see how each pixel's class changed or remained same from ...
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33 views

Proportion of polygon classes in each multi-ring buffers

I have a landcover map with many irregular polygons, with each polygon a uniform habitat type. I have a second shapefile of points, and a third shapefile with multi-ring buffers around those points. I ...
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1answer
48 views

Do I need to perform any corrections on Level-2 Landsat imagery?

My objective is to perform a land cover classification with multiple scenes over historical imagery (one year every decade). Most of the imagery I have downloaded is level-2 imagery. From my ...
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Integrating block shapefile into segmentation level in eCognition? [duplicate]

I am trying to perform an object based hierarchical network classification of an urban scene in eCognition. To make the classification better I thought adding the building blocks shapefile in the ...
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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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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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Ranking water basins by canopy cover? [closed]

I have a river raster that is composed of a range of canopy cover percentages by pixel. I want to rank which water basin's have the river with the best canopy cover. How do I do this?
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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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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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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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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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3answers
162 views

Bare Soil Detection

I try to find bare soil areas. Those which are bare over the whole year and those which are fresh harvest and remain bare over a certain time. I try to do this with sentinel-2 data. But the Problem is ...
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2answers
398 views

Creating Land Cover Change Classification in R? [closed]

I have two Land Cover (LC) classification raster over the same area and the same cell size. One from the year 2018 and the other from the year 2014. Both raster are classified with the values 1 - 6, ...
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1answer
393 views

How to properly import corine landcover 2012 (vector file) in QGIS?

I'm fairly new to QGIS (using version 2.18.25), so I may be missing something quite basic. I'm using the Corine landcover (clc12_Version_18_5.gdb) in my project. It's a very large dataset (3GB) so it ...
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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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2answers
339 views

Google Earth Engine: how to select NDVI for some land cover type

I am quite new to both Google Earth Engine and JavaScript. My goal is to obtain the NDVI just for some region (some polygon) only in the selected cover type. I managed to compute areas and number of ...
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1answer
112 views

Finding difference between two rasters using ArcGIS Spatial Analyst?

I know how to find difference between two rasters with Spatial Analyst tools, but how to display attributes, for example differences between two Corine Land (2006 - 2012) rasters, how to see codes of ...
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1answer
384 views

Google Earth Engine - Displaying landcover classes

I was wondering if theres a way to display single Landcover classes from the Corine Land Cover-Dataset in GEE. I know i somehow have to select the landcover_class_names or values in the property ...
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1answer
271 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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1answer
424 views

How to crop TIFF image without losing classes in QGIS 3.2?

I am trying to crop a TIFF file in QGIS 3.2. What I am currently doing is going to Raster -> Extraction -> Clip Raster by Extent... . Then I type in my min and max x,y values. The new raster layer is ...
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Calculating block statistics from land cover raster using R?

I have a raster (5 x 5 m resolution) representing land cover. Each cell contains a integer value (from 1 to 10) representing a total of ten land cover classes (e.g. 1-forest; 2-agricultural areas; 3-...
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229 views

Calculating continuous raster representing land cover proportion from categorical raster using QGIS?

I have a raster (5 x 5 m resolution) representing land cover. Each cell contains a integer value (from 1 to 10) representing a total of ten land cover classes (e.g. 1-forest; 2-agricultural areas; 3-...
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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
347 views

How to obtain TIFF file using data from CSV files

I have a set of CSV files containing lat-long values for certain land cover classes. Long Lat 80.1 23.0 80.2 23.1 80.3 23.2 80.4 23.3 ... From this point on, I need to generate a TIFF file ...
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1answer
127 views

Changing land use land cover classes in ArcGIS Desktop?

I have a tiff file containing raster data of land use land cover (LULC) classes. Each pixel has a pixel value in the form of RGB values of the corresponding LULC class, need to change the pixel ...
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59 views

Seeking National Land Cover Vector Dataset? [closed]

I am looking for a National land cover vector dataset. I tried to work with the National Land Cover Database 2011, downloaded the dataset but it was a picture file.
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1answer
52 views

Know of any existing quality training/validation datasets for land cover?

Looking to do some moderate res. global land cover mapping and need as much training and validation data as possible--does anyone know of any good/quality land cover/land use data that are freely ...
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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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1answer
453 views

Reducing Land Cover Data Sets in Earth Engine

I am trying to use earth engine to reduce the USGS land cover dataset and calculate the frequency of specific land cover types in several regions. The output that I am getting creates a single ...
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2answers
293 views

Polygonize a multi-band raster

I have a polygon and I want to estimate areas of different types of land cover tha falls within the polygon. The problem is that the only freely available land cover data I found is https://catalogue....
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119 views

Getting WMS server from GLOBELAND30 Landcover interactive map?

I am very interested to get GLOBELAND30 WMS server. To get it I've used some hacking: 1) I've inspected it with Chrome Inspector and did some actions (see below): 2) Got WMS server (see below) 3) ...
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1answer
23 views

Land cover change maps - Different extent when adding a New data frame in layout view

I would like to create a map where I show land cover change between year 1996 and 2002 in Indonesia. In the layout view, I added a new data frame to add the other year, but it seems that the extent is ...