Dataset Information

Conventions: CF-1.9
title: Global-Gridded Daily Methane Emissions from Lake Systems
summary: This granule provides daily total and lake-type specific methane emissions in each grid cell at 0.25 degree resolution. The data is climatological and is representative of average conditions between 2003-2015.
data_institution: NASA Ames Research Center
geospatial_lat_resolution: 0.25 degree
geospatial_lon_resolution: 0.25 degree
publisher_institution: Oak Ridge National Laboratory Distributed Active Archive Center (ORNL DAAC)
publisher_url: https://daac.ornl.gov
publisher_email: uso@daac.ornl.gov


Variables in this Dataset

lon: Array of 32 bit Reals [lon = 0..1439]
long_name: longitude coordinate
units: degrees_east
standard_name: longitude
lat: Array of 32 bit Reals [lat = 0..719]
long_name: latitude coordinate
units: degrees_north
standard_name: latitude
time: Array of 32 bit Reals [time = 0..364]
standard_name: time
climatology: climatology_bounds
calender: standard
long_name: climatological day of year
units: days since 2012-01-01 00:00:00
comment: represents the mid point of each time stamp
DiffusionEbullition_Thermokarst: Grid
long_name: diffusion and ebullition methane emission rate from thermokarst lakes in each cell
units: g m-2 day-1
FillValue: -9999
grid_mapping: crs
cell_methods: time: mean within days time: mean over days
DiffusionEbullition_Thermokarst: Array of 32 bit Reals [time = 0..364][lat = 0..719][lon = 0..1439]
long_name: diffusion and ebullition methane emission rate from thermokarst lakes in each cell
units: g m-2 day-1
FillValue: -9999
grid_mapping: crs
cell_methods: time: mean within days time: mean over days
time: Array of 32 bit Reals [time = 0..364]
standard_name: time
climatology: climatology_bounds
calender: standard
long_name: climatological day of year
units: days since 2012-01-01 00:00:00
comment: represents the mid point of each time stamp
lat: Array of 32 bit Reals [lat = 0..719]
long_name: latitude coordinate
units: degrees_north
standard_name: latitude
lon: Array of 32 bit Reals [lon = 0..1439]
long_name: longitude coordinate
units: degrees_east
standard_name: longitude
DiffusionEbullition_OtherBoreal: Grid
long_name: diffusion and ebullition methane emission rate from other boreal lakes in each cell
units: g m-2 day-1
FillValue: -9999
grid_mapping: crs
cell_methods: time: mean within days time: mean over days
DiffusionEbullition_OtherBoreal: Array of 32 bit Reals [time = 0..364][lat = 0..719][lon = 0..1439]
long_name: diffusion and ebullition methane emission rate from other boreal lakes in each cell
units: g m-2 day-1
FillValue: -9999
grid_mapping: crs
cell_methods: time: mean within days time: mean over days
time: Array of 32 bit Reals [time = 0..364]
standard_name: time
climatology: climatology_bounds
calender: standard
long_name: climatological day of year
units: days since 2012-01-01 00:00:00
comment: represents the mid point of each time stamp
lat: Array of 32 bit Reals [lat = 0..719]
long_name: latitude coordinate
units: degrees_north
standard_name: latitude
lon: Array of 32 bit Reals [lon = 0..1439]
long_name: longitude coordinate
units: degrees_east
standard_name: longitude
DiffusionEbullition_Tropical: Grid
long_name: diffusion and ebullition methane emission rate from tropical/subtropical lakes in each cell
units: g m-2 day-1
FillValue: -9999
grid_mapping: crs
cell_methods: time: mean within days time: mean over days
DiffusionEbullition_Tropical: Array of 32 bit Reals [time = 0..364][lat = 0..719][lon = 0..1439]
long_name: diffusion and ebullition methane emission rate from tropical/subtropical lakes in each cell
units: g m-2 day-1
FillValue: -9999
grid_mapping: crs
cell_methods: time: mean within days time: mean over days
time: Array of 32 bit Reals [time = 0..364]
standard_name: time
climatology: climatology_bounds
calender: standard
long_name: climatological day of year
units: days since 2012-01-01 00:00:00
comment: represents the mid point of each time stamp
lat: Array of 32 bit Reals [lat = 0..719]
long_name: latitude coordinate
units: degrees_north
standard_name: latitude
lon: Array of 32 bit Reals [lon = 0..1439]
long_name: longitude coordinate
units: degrees_east
standard_name: longitude
DiffusionEbullition_Glacial: Grid
long_name: diffusion and ebullition methane emission rate from glacial/postglacial lakes in each cell
units: g m-2 day-1
FillValue: -9999
grid_mapping: crs
cell_methods: time: mean within days time: mean over days
DiffusionEbullition_Glacial: Array of 32 bit Reals [time = 0..364][lat = 0..719][lon = 0..1439]
long_name: diffusion and ebullition methane emission rate from glacial/postglacial lakes in each cell
units: g m-2 day-1
FillValue: -9999
grid_mapping: crs
cell_methods: time: mean within days time: mean over days
time: Array of 32 bit Reals [time = 0..364]
standard_name: time
climatology: climatology_bounds
calender: standard
long_name: climatological day of year
units: days since 2012-01-01 00:00:00
comment: represents the mid point of each time stamp
lat: Array of 32 bit Reals [lat = 0..719]
long_name: latitude coordinate
units: degrees_north
standard_name: latitude
lon: Array of 32 bit Reals [lon = 0..1439]
long_name: longitude coordinate
units: degrees_east
standard_name: longitude
DiffusionEbullition_PeatPond: Grid
long_name: diffusion and ebullition methane emission rate from peat ponds in each cell
units: g m-2 day-1
FillValue: -9999
grid_mapping: crs
cell_methods: time: mean within days time: mean over days
DiffusionEbullition_PeatPond: Array of 32 bit Reals [time = 0..364][lat = 0..719][lon = 0..1439]
long_name: diffusion and ebullition methane emission rate from peat ponds in each cell
units: g m-2 day-1
FillValue: -9999
grid_mapping: crs
cell_methods: time: mean within days time: mean over days
time: Array of 32 bit Reals [time = 0..364]
standard_name: time
climatology: climatology_bounds
calender: standard
long_name: climatological day of year
units: days since 2012-01-01 00:00:00
comment: represents the mid point of each time stamp
lat: Array of 32 bit Reals [lat = 0..719]
long_name: latitude coordinate
units: degrees_north
standard_name: latitude
lon: Array of 32 bit Reals [lon = 0..1439]
long_name: longitude coordinate
units: degrees_east
standard_name: longitude
DiffusionEbullition_Temperate: Grid
long_name: diffusion and ebullition methane emission rate from temperate lakes in each cell
units: g m-2 day-1
FillValue: -9999
grid_mapping: crs
cell_methods: time: mean within days time: mean over days
DiffusionEbullition_Temperate: Array of 32 bit Reals [time = 0..364][lat = 0..719][lon = 0..1439]
long_name: diffusion and ebullition methane emission rate from temperate lakes in each cell
units: g m-2 day-1
FillValue: -9999
grid_mapping: crs
cell_methods: time: mean within days time: mean over days
time: Array of 32 bit Reals [time = 0..364]
standard_name: time
climatology: climatology_bounds
calender: standard
long_name: climatological day of year
units: days since 2012-01-01 00:00:00
comment: represents the mid point of each time stamp
lat: Array of 32 bit Reals [lat = 0..719]
long_name: latitude coordinate
units: degrees_north
standard_name: latitude
lon: Array of 32 bit Reals [lon = 0..1439]
long_name: longitude coordinate
units: degrees_east
standard_name: longitude
DiffusionEbullition_Organic: Grid
long_name: diffusion and ebullition methane emission rate from organic lakes in each cell
units: g m-2 day-1
FillValue: -9999
grid_mapping: crs
cell_methods: time: mean within days time: mean over days
DiffusionEbullition_Organic: Array of 32 bit Reals [time = 0..364][lat = 0..719][lon = 0..1439]
long_name: diffusion and ebullition methane emission rate from organic lakes in each cell
units: g m-2 day-1
FillValue: -9999
grid_mapping: crs
cell_methods: time: mean within days time: mean over days
time: Array of 32 bit Reals [time = 0..364]
standard_name: time
climatology: climatology_bounds
calender: standard
long_name: climatological day of year
units: days since 2012-01-01 00:00:00
comment: represents the mid point of each time stamp
lat: Array of 32 bit Reals [lat = 0..719]
long_name: latitude coordinate
units: degrees_north
standard_name: latitude
lon: Array of 32 bit Reals [lon = 0..1439]
long_name: longitude coordinate
units: degrees_east
standard_name: longitude
climatology_bounds: Array of 64 bit Reals [time = 0..364][nv = 0..1]
comment: start and end points of each time step
DiffusionEbullition_TotalLakes: Grid
units: g m-2 day-1
FillValue: -9999
grid_mapping: crs
cell_methods: time: mean within days time: mean over days
long_name: diffusion and ebullition methane emission rate from total/all lakes in each cell
DiffusionEbullition_TotalLakes: Array of 32 bit Reals [time = 0..364][lat = 0..719][lon = 0..1439]
units: g m-2 day-1
FillValue: -9999
grid_mapping: crs
cell_methods: time: mean within days time: mean over days
long_name: diffusion and ebullition methane emission rate from total/all lakes in each cell
time: Array of 32 bit Reals [time = 0..364]
standard_name: time
climatology: climatology_bounds
calender: standard
long_name: climatological day of year
units: days since 2012-01-01 00:00:00
comment: represents the mid point of each time stamp
lat: Array of 32 bit Reals [lat = 0..719]
long_name: latitude coordinate
units: degrees_north
standard_name: latitude
lon: Array of 32 bit Reals [lon = 0..1439]
long_name: longitude coordinate
units: degrees_east
standard_name: longitude
crs: 32 bit Real
long_name: CRS definition
proj4: +proj=longlat +datum=WGS84 +no_defs
grid_mapping_name: latitude_longitude
longitude_of_prime_meridian: 0.0
latitude_of_equator: 0.0
semi_major_axis: 6378137.0
inverse_flattening: 298.2572
EmissionSeason: Grid
units: days
FillValue: -9999
grid_mapping: crs
long_name: length of the methane emission season (thaw season) for total/all lakes in each cell
EmissionSeason: Array of 32 bit Reals [lat = 0..719][lon = 0..1439]
units: days
FillValue: -9999
grid_mapping: crs
long_name: length of the methane emission season (thaw season) for total/all lakes in each cell
lat: Array of 32 bit Reals [lat = 0..719]
long_name: latitude coordinate
units: degrees_north
standard_name: latitude
lon: Array of 32 bit Reals [lon = 0..1439]
long_name: longitude coordinate
units: degrees_east
standard_name: longitude