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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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40 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 ...
2
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1answer
53 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
28 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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0answers
21 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
20 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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1answer
26 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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1answer
57 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 ...
2
votes
2answers
46 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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0answers
26 views

What indices work best for entropy computation for classifying lone standing trees?

Question: What bands or indices work best for entropy analysis of lone standing trees? Problem: In Google Earth Engine, I created a landcover classification for semi-arid africa with good accuracy....
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1answer
49 views

Getting WMS server from the 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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0answers
52 views

Raster Symbolizer of Geoserver does not show SLD symbology as expected

I'm trying to style a raster of land cover map on Geoserver (vers 2.8.3). I'm using function of Raster Symboliser. The sld has no errors and I used type "values" as indicated in the documentation (...
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1answer
16 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 ...
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1answer
45 views

Land cover change - need help with land cover classes

I'm very much new to using ArcGIS and to this forum. For my thesis, I have a raster map of Indonesia where I only look at three types of land cover retrieved from the ESA-CCI dataset. These involve: ...
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0answers
17 views

Export raster issues in Landsat 5 images for land cover classification

I'm new in the field of remote sensing. I'm trying to use the science of remote sensing for long period hydrologic modeling for large river basins. Following up some literature and online tools, I've ...
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1answer
52 views

Tree Cover Change analysis on QGIS, “Stripes” or “Banding” on the image

I am currently looking at Tree Cover Change around a set of 288 villages in the Equatorial Forest of Africa using QGIS. In order to do so I am using the GFCC30TC: Global Forest Cover Change (GFCC) ...
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0answers
21 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 ...
3
votes
1answer
67 views

Extracting exact land coverage raster from TIFF format raster using R? [closed]

I have land coverage raster data that downloaded from JRC data catalogue (JRC website and JRC land coverage data download link), where data file like shapefiles at a very high degree of resolution, ...
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1answer
105 views

Extract one class from global LULC in google earth engine

I am trying to extract one LULC class (e.g. cropland) for the entire globe from the MODIS global lulc. How it can be done? Code I am using to display global lulc is: var cover = ee.Image('MODIS/...
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0answers
44 views

Reclassify land use map based on agricultural statistics [closed]

I'd like to create a land cover map of Greece with enhanced information on the spatial distribution of agricultural crops. As you know, common land cover products (such as ESA CCI LandCover or CORINE)...
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1answer
67 views

Can anybody help me to know the type of land covers in DIVA GIS data?

I have dowloaded the country mask land cover data from DIVA GIS website. I don't see the name of different types of land covers.
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0answers
36 views

Deleting unused classes in TOC - TIFF raster, USGS GAP data

I recently downloaded USGS GAP data for the state of Oklahoma (https://gapanalysis.usgs.gov/gaplandcover/data/download/) for use in a site suitability analysis. The data come in a .TIFF raster layer ...
2
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1answer
279 views

Is Landsat 30m resolution satellite images accurate enough to map land cover on a 40 km² watershed? [closed]

I am trying to remote sensing land cover features (bare soil, water, vegetation, cultivated areas) on a 40 km² watershed, located in the Sahel (semi-arid west africa). I am heavily interested in their ...
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0answers
98 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 ...
2
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0answers
167 views

Estimating biomass in mangroves in google earth engine [closed]

I am working on a project estimating biomass production and carbon storage in mangrove forests. I looked upon examples estimating biomass production using NPP and GPP such as https://mygeoblog.com/...
2
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0answers
79 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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0answers
13 views

How Many Cells of Each Value Inside A Sampling Grid

I have a raster land cover data set, broken into 7 landcover types at 15x15m resolution, and my goal is to figure out how many of cells of each type are inside my sampling grid. I set up a sampling ...
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0answers
15 views

consensus map from 3-date classified land cover rasters

I have performed land cover classification of Landsat images from 3 seasons. I want to generate a consensus map from these 3. For instance if a pixel is 'forest' in 2 maps, and 'pasture' in the third, ...
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0answers
35 views

Sorting through raster file using ArcGIS Desktop?

I'm on ArcMap 10.3 I have a raster file for land cover/usage in Missouri and was wondering if there was a way to narrow down areas in a specific way, as in: At least X% forest, X% grass, No more ...
2
votes
1answer
148 views

Calculation of fractional cover for each vegetation class at 30-m resolution matching MODIS swath in R

Currently I have a Landsat land cover map with 30-m resolution and I want to calculate the fractional cover for each vegetation class (forests, grasslands and croplands etc.) matching MODIS swath and ...
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1answer
215 views

how to create C factor (RUSLE) map by using NDVI values?

I have a basic knowledge of GIS and arcgis sofware and I need to generate C factor (cover management factor of RUSLE) by using NDVI values. I know there is an exp formula but I dont know the steps to ...
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1answer
86 views

National Land Cover Dataset (USA) Data Extraction

I have downloaded the NLCD 2011. It has different formats of files (i.e. .rrd, .ige). I tried to open the (.rrd) file using ArcGIS 10.5.1 but it couldn't open it. Can you suggest me how can I view ...
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2answers
318 views

Zonal stats for two polygon layers: calculate proportion of feature cover within polygons

In order to calculate land cover diversity within defined patches, I need the coverage proportion of each landcover type for each patch. So I am searching for something similar to the zonal stats tool ...
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2answers
197 views

Geoserver couldn't read SLD - Raster Symbolizer as expected

I am trying to style a land cover map scheme II, on Geoserver. The sld has no errors. However, the raster value/color on the image couldn't match with the raster color/image/label on the sld. Below is ...
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1answer
37 views

What is no change class in NLCD 2011?

I have to use the NLCD 2011 dataset and I am trying to understand the "no change" class. This class is not defined in any of the legend descriptions (Anderson classification). What is the no change ...
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1answer
62 views

How to calculate distance from lat/long point to each habitat category in QGIS? [closed]

I am very new to QGIS and am struggling so hopefully someone will be able to help me with what I assume is a relatively simple task. I have a number of vector layers of land cover from the land cover ...
2
votes
1answer
103 views

What possible explanations are there for a dramatic change in vegetation appearance in Sentinel 2 data?

I'm looking at land cover in an area of South East Asia. I pulled down Sentinel 2 imagery for Feb 2017, and used the QGIS SCP plugin to complete the land cover analysis, as per this tutorial: https://...
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1answer
400 views

Selecting pixels in raster using polygon selection tool?

I want to reclassify landcover image manually with respect to online imagery. I am looking for a software/plugin/script to manually select raster pixels using polygon selection tool and could be able ...
1
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1answer
966 views

Corine Land Cover Codes

I'm working with Corine Land Cover Map 2012 in QGIS. I can't find any information about the color code. Values range from 0 to 255 but there's no indication which value stands for which land cover ...
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votes
1answer
45 views

Seeking UK raster land cover? [closed]

We are looking for land cover data of the UK in raster form. Have tried downloading from 'Natural England' but this isn't the right format for ArcGIS Desktop. Needed for an undergraduate university ...
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0answers
86 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 ...
3
votes
2answers
69 views

How to calculate the length of the landcover types a path crosses in QGIS

I have a path which represents a proposed pipeline route. I need to find the length of the various landcovers the route crosses. Not area within a buffer. I found a ArcGIS help topic that kinda ...
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0answers
36 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 ...
2
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1answer
182 views

Extracting value from global forest cover

I am new in analyzing raster datasets in R. I am trying to get Malawi's forest cover data at a lower administration level ( traditional authority level). So I downloaded shapefile at Traditional ...
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0answers
75 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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2answers
1k views

Extracting land cover type in Google Earth Engine?

I have a question related to Drawing polygon and extracting land cover inside using Google Earth Engine? I'm trying to work out how to calculate habitat type area from within a specific polygon in ...
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1answer
296 views

RasterVector conversion in IDRISI selva

I am using Idrisi selva for converting road network map in raster but it always shows "Vector raster window do not overlap". I have checked coordinate system for every related vector and raster file. ...
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0answers
70 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 ...
4
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1answer
400 views

Digitizing single land use (agriculture) from raster in ArcMap?

I am working on digitizing the Agriculture land cover in a certain region. I did something very similar before and couldn't find a good alternative method beside manually digitizing, which is utterly ...
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2answers
731 views

Extract land cover data from Google Earth?

I have latitude-longitude coordinates for a certain region with me. Is it possible that when I enter this data in Google Earth, I can somehow extract the land cover class associated with each ...
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1answer
261 views

Ground truthing with Google Earth

I need to obtain ground truth data of Google Earth for a certain region for the purpose of constructing confusion matrix. The data should correspond to Landcover classes. My main aim is to construct ...