DATASET

GDO Fraction of Absorbed Photosynthetically Active Radiation (FAPAR) Anomaly (MODIS) (version 1.3.1)

Collection: DROUGHT : Drought Observatories datasets 

Description

The FAPAR Anomaly indicator that is implemented in the Copernicus Global Drought Observatory (GDO) is used to detect and monitor the impacts on vegetation growth and productivity of environmental stress factors, especially plant water stress due to drought. The FAPAR Anomaly indicator is computed as deviations of the satellite-measured biophysical variable Fraction of Absorbed Photosynthetically Active Radiation (FAPAR, sometimes written as fAPAR or FPAR), composited for 10-day intervals, from its long-term mean values. FAPAR is one of the 50 so-called “Essential Climate Variables” (ECVs) that have been defined by the Global Climate Observing System (GCOS) as being both feasible for global climate observation, and important to support the work of the United Nations Framework Convention on Climate Change (UNFCCC) and the Intergovernmental Panel on Climate Change (IPCC) (Bojinski et al., 2014). FAPAR values and their anomalies have been shown to be good indicators for detecting and assessing drought impacts on plant canopies, such as agricultural crops and natural vegetation (Gobron et al., 2005), and thus provide information that is potentially useful for water and agricultural management purposes. Data considered for the GDO FAPAR Anomaly indicator are based on MODIS (Moderate-Resolution Imaging Spectroradiometer) sensor. The spatial resolution of input data is 500 m, while the resolution of data made available for download in GDO is 0.083 decimal degrees (1/12 decimal degree). The FAPAR Anomaly product comprises standardized deviations from the 2001–2016 baseline period for the data between 2001 and 2017. Starting in 2018, anomalies are computed as standardized deviation from the baseline period 2001–last-full-year. For example, FAPAR Anomaly data in 2021 are computed with a 2001–2020 baseline.

Contact

Email
alfred.de-jager (at) ec.europa.eu

Contributors

  • EDO European and Global Drought Observatories

How to cite

European and Global Drought Observatories, EDO (2021): GDO Fraction of Absorbed Photosynthetically Active Radiation (FAPAR) Anomaly (MODIS) (version 1.3.1). European Commission, Joint Research Centre (JRC) [Dataset] PID: http://data.europa.eu/89h/e706e3aa-ab4a-4e27-822e-f696aec4cf39

Keywords

Anomaly CEMS Copernicus European Drought Observatory (EDO) MODIS Global Drought Observatory (GDO) Vegetation

Data access

Data Download Service (GeoTIFF)
URL 
Data Download Service (NetCDF)
URL 
Data Download Service URL
URL 
Web Map Service WMS
URL 
FAPAR Anomaly Factsheet
Download 

Publications

Publication
Global Products of vegetation leaf area and fraction absorbed PAR from year one of MODIS data
Myneni, R.B., S. Hoffman, Y. Knyazikhin, J. L. Privette, J. Glassy, Y. Tian, Y. Wang, X. Song, Y. Zhang, G.R. Smith, A. Lotsch, M. Friedl, J.T. Morisette, P. Votava, R.R. Nemani, and S.W. Running. 2002. Global Products of vegetation leaf area and fraction absorbed PAR from year one of MODIS data. Remote Sensing of Environment, 83, 214 –231.

Geographic areas

World

Spatial coverage

Type Value
WKT
POLYGON((-180 90,180 90,180 -90,-180 -90,-180 90))

Temporal coverage

From date To date
2001-01-01 N/A

Additional information

Published by
European Commission, Joint Research Centre
Created date
2021-04-30
Modified date
2021-08-26
Issued date
2021-04-30
Landing page
https://edo.jrc.ec.europa.eu/gdo/ 
Language(s)
English
Data theme(s)
Environment
Update frequency
three times a month
Identifier
http://data.europa.eu/89h/e706e3aa-ab4a-4e27-822e-f696aec4cf39
Popularity