From the Landsat mosaics, the classifications that result in land cover and land use maps are carried out for each year. Within the logic proposed by MapBiomas, the maps will be updated every time there is an improvement in the classification algorithms. The classification methodology is dynamic and procedural, with the purpose of improving the classification of each typology.
Important: when composing a single mosaic or calculating statistics on maps it should be noted that:
- For area calculation, it is necessary to use an appropriate metric projection.
- All data is in GeoTiff format and has LZW compression.
Access options to the most current MapBiomas collection:
1. Browsing online through the MapBiomas dashboard: https://plataforma.pampa.mapbiomas.org
2. Access the data asset in Google Earth Engine:
ID: projects/MapBiomas_Pampa/public/collection3/mapbiomas_pampa_collection3_integration_v1/
3. Download by state, biome, municipality and any other desired geometry using Toolkits prepared in Google Earth Engine (GEE). Access the tutorial video to learn how to use the toolkit. Instructions are also available on Github.
4. Directly download of land cover and land use maps from MapBiomas Pampa Trinational Collection 3 in GeoTiff format (one map per year):
Example for year 1985: https://storage.googleapis.com/mapbiomas-public/initiatives/pampa/collection_3/coverage/pampa_coverage_2022.tif
For other years, just change the final year of the link. Available from 1985 to 2022.
Detailed map of Argentina:
Access to land cover and land use maps of Argentina including the separation of agriculture and pasture classes through the Google Earth Engine data asset:
ID: projects/MapBiomas_Pampa/public/collection3/mapbiomas_pampa_argentina_collection3_integration_v1
Legends of the MapBiomas Collection:
1. Land use and land cover map legend:
- Reference of the codes with the legend classes for the pixel values of land cover and land use maps: click here.
- Detailed description of the land use and land cover legend: click here.
2. Transition Maps Legend
The transition maps have codes calculated by joining the first and second year codes, according to the formula below:
(year1 x 100) + year2
This means:
303 = Forest formation that remained as Forest formation
321 = Forest that has been converted to Agriculture or Pasture
2121 = Agriculture or pasture that remained in the same class
2122 = Agriculture or pasture that has been converted to Non vegetated area
3. Mosaic Quality Caption
Obs. All data are downloaded with a .CSV table (comma separated text) with the calculated areas. This script is an example of how to perform the Area Calculation in the GHG.