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A time-series map of the surface of Earth from the ESA Climate Change Initiative, classified into 36 land cover types. These classes include agriculture, forests, grasslands, urban, and other categories. A brief summary of the item is not available. Add a brief summary about the item.

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Item created: Apr 2, 2020 Item updated: Jun 30, 2023 View count: 592,131

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Description

This layer is a time series of the annual ESA CCI (Climate Change Initiative) land cover maps of the world. ESA has produced land cover maps for the years 1992-2020. These are available at the European Space Agency Climate Change Initiative website.

Time Extent: 1992-2020
Cell Size: 300 meter
Source Type: Thematic
Pixel Type: 8 Bit Unsigned
Data Projection: GCS WGS84
Mosaic Projection: Web Mercator Auxiliary Sphere
Extent: Global
Source: ESA Climate Change Initiative
Update Cycle: Annual until 2020, no updates thereafter

What can you do with this layer?

This layer may be added to ArcGIS Online maps and applications and shown in a time series to watch a "time lapse" view of land cover change since 1992 for any part of the world. The same behavior exists when the layer is added to ArcGIS Pro.

In addition to displaying all layers in a series, this layer may be queried so that only one year is displayed in a map. 

This layer can be used in analysis. For example, the layer may be added to ArcGIS Pro with a query set to display just one year. Then, an area count of land cover types may be produced for a feature dataset using the zonal statistics tool. Statistics may be compared with the statistics from other years to show a trend.

To sum up area by land cover using this service, or any other analysis, be sure to use an equal area projection, such as Albers or Equal Earth.

Different Classifications Available to Map

Five processing templates are included in this layer. The processing templates may be used to display a smaller set of land cover classes.

Cartographic Renderer (Default Template)

Displays all ESA CCI land cover classes.*

Forested lands Template
The forested lands template shows only forested lands (classes 50-90).

Urban Lands Template
The urban lands template shows only urban areas (class 190).

Converted Lands Template
The converted lands template shows only urban lands and lands converted to agriculture (classes 10-40 and 190).

Simplified Renderer
Displays the map in ten simple classes which match the ten simplified classes used in 2050 Land Cover projections from Clark University.

Any of these variables can be displayed or analyzed by selecting their processing template. In ArcGIS Online, select the Image Display Options on the layer. Then pull down the list of variables from the Renderer options. Click Apply and Close. In ArcGIS Pro, go into the Layer Properties. Select Processing Templates from the left hand menu. From the Processing Template pull down menu, select the variable to display.

Using Time
By default, the map will display as a time series animation, one year per frame. A time slider will appear when you add this layer to your map. To see the most current data, move the time slider until you see the most current year.

In addition to displaying the past quarter century of land cover maps as an animation, this time series can also display just one year of data by use of a definition query. For a step by step example using ArcGIS Pro on how to display just one year of this layer, as well as to compare one year to another, see the blog called Calculating Impervious Surface Change.

Hierarchical Classification
Land cover types are defined using the land cover classification (LCCS) developed by the United Nations, FAO. It is designed to be as compatible as possible with other products, namely GLCC2000, GlobCover 2005 and 2009.

This is a heirarchical classification system. For example, class 60 means "closed to open" canopy broadleaved deciduous tree cover. But in some places a more specific type of broadleaved deciduous tree cover may be available. In that case, a more specific code 61 or 62 may be used which specifies "open" (61) or "closed" (62) cover.

Land Cover Processing
To provide consistency over time, these maps are produced from baseline land cover maps, and are revised for changes each year depending on the best available satellite data from each period in time. These revisions were made from AVHRR 1km time series from 1992 to 1999, SPOT-VGT time series between 1999 and 2013, and PROBA-V data for years 2013, 2014 and 2015. When MERIS FR or PROBA-V time series are available, changes detected at 1 km are re-mapped at 300 m. The last step consists in back- and up-dating the 10-year baseline LC map to produce the 24 annual LC maps from 1992 to 2015.

Source data
The datasets behind this layer were extracted from NetCDF files and TIFF files produced by ESA. Years 1992-2015 were acquired from ESA CCI LC version 2.0.7 in TIFF format, and years 2016-2018 were acquired from version 2.1.1 in NetCDF format. These are downloadable from ESA with an account, after agreeing to their terms of use. https://maps.elie.ucl.ac.be/CCI/viewer/download.php

Citation
ESA. Land Cover CCI Product User Guide Version 2. Tech. Rep. (2017). Available at: maps.elie.ucl.ac.be/CCI/viewer/download/ESACCI-LC-Ph2-PUGv2_2.0.pdf

More technical documentation on the source datasets is available here:

*Index of all classes in this layer:

10    Cropland, rainfed
11    Herbaceous cover
12    Tree or shrub cover
20    Cropland, irrigated or post-flooding
30    Mosaic cropland (>50%) / natural vegetation (tree, shrub, herbaceous cover) (<50%)
40    Mosaic natural vegetation (tree, shrub, herbaceous cover) (>50%) / cropland (<50%)
50    Tree cover, broadleaved, evergreen, closed to open (>15%)
60    Tree cover, broadleaved, deciduous, closed to open (>15%)
61    Tree cover, broadleaved, deciduous, closed (>40%)
62    Tree cover, broadleaved, deciduous, open (15-40%)
70    Tree cover, needleleaved, evergreen, closed to open (>15%)
71    Tree cover, needleleaved, evergreen, closed (>40%)
72    Tree cover, needleleaved, evergreen, open (15-40%)
80    Tree cover, needleleaved, deciduous, closed to open (>15%)
81    Tree cover, needleleaved, deciduous, closed (>40%)
82    Tree cover, needleleaved, deciduous, open (15-40%)
90    Tree cover, mixed leaf type (broadleaved and needleleaved)
100    Mosaic tree and shrub (>50%) / herbaceous cover (<50%)
110    Mosaic herbaceous cover (>50%) / tree and shrub (<50%)
120    Shrubland
121    Shrubland evergreen
122    Shrubland deciduous
130    Grassland
140    Lichens and mosses
150    Sparse vegetation (tree, shrub, herbaceous cover) (<15%)
151    Sparse tree (<15%)
152    Sparse shrub (<15%)
153    Sparse herbaceous cover (<15%)
160    Tree cover, flooded, fresh or brakish water
170    Tree cover, flooded, saline water
180    Shrub or herbaceous cover, flooded, fresh/saline/brakish water
190    Urban areas
200    Bare areas
201    Consolidated bare areas
202    Unconsolidated bare areas
210    Water bodies

An in-depth description of the item is not available.

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Terms of Use

This work is licensed under the Esri Master License Agreement.

Important Note: This item requires an ArcGIS Online organizational subscription or an ArcGIS Developer account and does not consume credits. To access this item, you'll need to do one of the following:
  • Sign in with an account that is a member of an organizational subscription
  • Sign in with a developer account
  • Register an application and use your application's credentials.
If you don't have an account, you can sign up for a free trial of ArcGIS or a free ArcGIS Developer account.

No special restrictions or limitations on using the item's content have been provided.

Comments (9)

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AaaMao24 Item Owner commented a year ago Delete Reply

Thou, I'm using my mobile device as desktop mode but I couldn't add the layer so I switched to my PC and I could accessed it

tesfaylegese@gmail.com Item Owner commented a year ago Delete Reply

when i open the attribute table it is empty and the calculate field dialogeu is inactive. what is the problem?

esri_environment Item Owner commented a year ago Delete

Weird! What are you opening it in, arcgis online map viewer or pro? I can see if I can duplicate what you are experiencing. Michael Dangermond mdangermond@esri.com

jz_zhang05 Item Owner commented 3 years ago Delete Reply

hi, when i tried to put it in a new map viewer without any change, all data from 1993 went missing, does anyone know what happened? It is normal in map viewer classic.

ahna.miller@driscolls.com_atlasdriscolls Item Owner commented 2 years ago Delete

were you able to solve this issue?

pprist2 Item Owner commented 2 years ago Delete

Hi the same happens with me when I tried to separate the years 2000 and 2019. Were you able to solve this problem?

CI_KKoenig Item Owner commented 4 years ago Delete Reply

Are there plans to update this Imagery Layer as more years are published (e.g. 2019)?

Paul.Sutton@du.edu_dugis Item Owner commented 4 years ago Delete Reply

It would be nice if this page gave us a citation to use in peer-reviewed articles

esri_landscape2 Item Owner commented 4 years ago Delete

Hi Paul. There are a few citations, depending on your use, available on the ESA CCI website. We'll add this into the description. Thanks for pointing it out! http://www.esa-landcover-cci.org/?q=node/199

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          Esri, ESA. Land Cover CCI Product User Guide Version 2. Tech. Rep. (2017). Available at: maps.elie.ucl.ac.be/CCI/viewer/download/ESACCI-LC-Ph2-PUGv2_2.0.pdf

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