netcdf classic (CDF-1) {
dimensions:
	lon = 60 ;
	lat = 45 ;
	lev = 25 ;
	time = 8 ;
	nd = 6 ;
// global attributes:
		:Title = "CarbonTracker CH4 mole fractions" ;
		:Comment = "Total Methane may be calculated by adding components: CH4=Background+Fossil Fuels+Ag/Waste+Natrual+Fires+Ocean" ;
		:Disclaimer = "CarbonTracker is an open product of the NOAA Earth System Research" ;
		:c1 = "         Laboratory using data from the Global Monitoring Division greenhouse " ;
		:c2 = "         gas observational network and collaborating institutions.  Model results " ;
		:c3 = "         including figures and tabular material found on the CarbonTracker " ;
		:c4 = "         website may be used for non-commercial purposes without restriction," ;
		:c5 = "         but we request that the following acknowledgement text be included " ;
		:c6 = "         in documents or publications made using CarbonTracker results: " ;
		:c7 = "                                                                           " ;
		:c8 = "              CarbonTracker results provided by NOAA/ESRL," ;
		:c9 = "              Boulder, Colorado, USA, http://carbontracker.noaa.gov" ;
		:c10 = "                                                                          " ;
		:c11 = "         Since we expect to continuously update the CarbonTracker product, it" ;
		:c12 = "         is important to identify which version you are using.  To provide" ;
		:c13 = "         accurate citation, please include the version of the CarbonTracker" ;
		:c14 = "         release in any use of these results." ;
		:c15 = "                                                                          " ;
		:c16 = "         The CarbonTracker team welcomes special requests for data products not" ;
		:c17 = "         offered by default on this website, and encourages proposals for" ;
		:c18 = "         collaborative activities.  Contact us at carbontracker.team@noaa.gov." ;
		:c19 = "                                                                          " ;
		:Email = "carbontracker.team@noaa.gov" ;
		:References = "http://carbontracker.noaa.gov" ;
		:Institution = "NOAA Earth System Laboratory" ;
		:Conventions = "CF-1.4" ;
		:History = "Wed Feb 22 16:34:22 2012" ;
		:Source = "CarbonTracker Release CTCH42010" ;
variables:
	double time(time) ;
		time:units = "days since 2000-01-01 00:00:00 UTC" ;
	double decimal_date(time) ;
		decimal_date:units = "year" ;
	int idate_start(time, nd) ;
		idate_start:units = "NA" ;
		idate_start:long_name = "integer UTC start date: yyyy mm hh mnmn ss" ;
	int idate_end(time, nd) ;
		idate_end:units = "NA" ;
		idate_end:long_name = "integer UTC end date: yyyy mm hh mnmn ss" ;
	float lon(lon) ;
		lon:units = "degrees_east" ;
		lon:long_name = "longitude" ;
		lon:standard_name = "longitude" ;
		lon:actual_range = -180.0, 180.0 ;
	float lat(lat) ;
		lat:units = "degrees_north" ;
		lat:long_name = "latitude" ;
		lat:standard_name = "latitude" ;
		lat:actual_range = -90.0, 90.0 ;
	float bgrnd(time, lev, lat, lon) ;
		bgrnd:units = "nanomoles mole-1" ;
		bgrnd:long_name = "bgrnd" ;
		bgrnd:comment = "background CH4 mole fractions (initial condition subject to photochemical destruction)  " ;
	float fossil(time, lev, lat, lon) ;
		fossil:units = "nanomoles mole-1" ;
		fossil:long_name = "fossil fuel" ;
		fossil:comment = "optimized CH4 mole fractions due to emissions from coal and oil/gas production" ;
	float agwaste(time, lev, lat, lon) ;
		agwaste:units = "nanomoles mole-1" ;
		agwaste:long_name = "agriculture_and_waste" ;
		agwaste:comment = "optimized CH4 mole fractcions due to emissions from animals, rice cultivation and waste" ;
	float natural(time, lev, lat, lon) ;
		natural:units = "nanomoles mole-1" ;
		natural:long_name = "natural" ;
		natural:comment = "optimized CH4 mole fractions due to emissions from wetlands, soil, oceans and insects/wild animals" ;
	float bioburn(time, lev, lat, lon) ;
		bioburn:units = "nanomoles mole-1" ;
		bioburn:long_name = "biomass_burning" ;
		bioburn:comment = "optimized CH4 mole fractions due to emissions from fires" ;
	float ocean(time, lev, lat, lon) ;
		ocean:units = "nanomoles mole-1" ;
		ocean:long_name = "ocean" ;
		ocean:comment = "optimized CH4 mole fractions due to emissions from oceans" ;
	float pressure(time, lev, lat, lon) ;
		pressure:units = "hPa" ;
		pressure:long_name = "air pressure" ;
		pressure:comment = "air pressure at model level center" ;
// time: first 1465.983642578125, last 1466.856201171875, count 8
// lon: first -180.0, last 174.0, count 60
// lat: first -90.0, last 86.0, count 45
}