forest biomass dataset alterra, wageningen ur and european forest institute geerten hengeveld, katja...
DESCRIPTION
Data FAO-FRA (Global Forest Resources Assessments) MCPFE (Europe) UNECE ● Per Country ● (minimal 5 year interval) ● Forest Area ● Growing Stock IPCC 2006 good practice guidance for biomass conversion and expansion factors to estimate above- ground and below-ground biomass and carbonTRANSCRIPT
Forest biomass dataset
Alterra, Wageningen UR and European Forest Institute
Geerten Hengeveld, Katja Gunia, Markus Didion, Sergey Zudin, Sandra Clerkx, Mart-Jan Schelhaas
Validation data for the CARBONES CCDAS system
Forest pools and uncertainties (annual)●Forest area (km2)●Timber volume (m3)●Aboveground biomass (kg)●Carbon in aboveground biomass (kg)●Belowground biomass (kg)●Carbon in belowground biomass (kg)●Total biomass (kg)●Carbon in total biomass (kg)●Changes in pools per 5 years
Data
FAO-FRA (Global Forest Resources Assessments) MCPFE (Europe) UNECE
●Per Country●1948-2011 (minimal 5 year interval)●Forest Area●Growing Stock
IPCC 2006 good practice guidance for biomass conversion and expansion factors to estimate above-ground and below-ground biomass and carbon
Processing
Quality check: remove outliers Interpolate in between data points Extend values outside data range (flat) Gridding, relative to current forest cover map Assign uncertainties
Calculations
Stock per Area
1 degree grid
Growing Stock Growing
Stock Growing Stock
IPCC constants
Forest area
Growing Stock
Forest map
Country
Growing Stock Growing
Stock Aboveground
biomass/carbon
Uncertainty assessment
Base uncertainty●3 classes (1,2,3 points)
●Trend over all records●Coefficient of variation of detrended records
Methodology uncertainty●0.025 point per year (pre 1990)
Interpolation uncertainty●0.1 point per year
Technical specifications
1 degree grid Global cover Mollweide projection, Datum WGS84 NetCDF file
Data policy
Free to use Proper referencing (Hengeveld et al., in prep) Downloadable at
●the CARBONES portal●or
http://opendap.cgi-systems.nl/thredds/catalog/projecten/EuropeanForest/carbones/catalog.html
Exemple: above ground forest biomass(5 years mean) around 2005
Reference:
Hengeveld, G.M.H., K. Gunia, M. Didion, S. Zudin, A.P.P.M. Clerkx, M.J. Schelhaas. Gridded maps as derived from a compilation of global forest biomass estimates 1950-2010. To be submitted to Earth System Science Data.