Net primary production (Africa and Near East - Monthly - 250m) - WaPOR v2

Net Primary Production (NPP) is a fundamental characteristic of an ecosystem, expressing the conversion of carbon dioxide into biomass driven by photosynthesis. The pixel value represents the NPP for that specific month. The data is provided in near real time from January 2009 to present.

Data publication: 2021-01-01

Supplemental Information:

No data value: -9999 Unit: gC/m² Conversion factor: the pixel value in the downloaded data must be multiplied by 0.001 New dekadal data layers are released approximately 5 days after the end of a dekad. A higher quality version of the same data layer is uploaded after 6 dekads have passed. This final version of the dekadal dataset has a higher quality because gap filling and interpolation processes, where needed, have been based on more data observations.

Citation:

FAO 2018. WaPOR Database Methodology: Level 2. Remote Sensing for Water Productivity Technical Report: Methodology Series. Rome, FAO. 72 pages. Licence: CC BY-NC-SA 3.0 IGO

Contact points:

Metadata Contact: WaPOR

Resource Contact: WaPOR

Data lineage:

The core of the methodology for deriving NPP is detailed in Veroustraete et al. (2002), whilst the practical implementation, as developed for the MARS Crop Yield Forecasting System, is described in Eerens et al. (2004). These methodologies were improved within the framework of the Copernicus Global Land Component, the most important change being the incorporation of biome-specific light-use efficiencies (LUEs). The FRAME project applies this updated methodology, adding improvements which include the addition of a reduction factor to account for reduced water availability (i.e. soil moisture stress). The following data is used to calculate NPP: - Daily:incoming solar radiation and temperature data (Tmin/Tmax); - Monthly:fAPAR and soil moisture stress; - Seasonal:Land Cover.

Resource constraints:

Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)

Online resources:

Download: Net Primary Productio (Africa and Near East - Monthly - 250m)

Data and Resources

Additional Info

Field Value
Source https://data.apps.fao.org/catalog/dataset/c2254b9f-f99b-4a0e-ade3-4191102680bc
Last Updated February 27, 2024, 00:52 (CST)
Created March 4, 2022, 20:24 (CST)
encoding utf8
harvest_url https://data.apps.fao.org/catalog/dataset/d424c7e8-23c0-434e-a7a6-64ae34b1edcf