HOWLAND

Location

lon / lat [deg]: -68.7333 / 45.2

Source network: AERONET

Geostationary surface albedo (GSA) data

“+000”

“+057/+063”

Landcover information (based on ESA CCI landcover data)

Landcover fractions @ 2km distance

Landcover fractions @ 20 km distance

Legend

Distance to open water bodies [km]:	5.03
Distance to urban areas [km]:	3.41

Radius: 1 km

Number of landcover classes:	2
Dominant landcover type:	70: Tree cover, needleleaved, evergreen, closed to open (>15%)
Fraction of dominant landcover type [%]:	85.0

Radius: 2 km

Number of landcover classes:	5
Dominant landcover type:	70: Tree cover, needleleaved, evergreen, closed to open (>15%)
Fraction of dominant landcover type [%]:	71.0

Radius: 5 km

Number of landcover classes:	5
Dominant landcover type:	70: Tree cover, needleleaved, evergreen, closed to open (>15%)
Fraction of dominant landcover type [%]:	58.0

Radius: 10 km

Number of landcover classes:	7
Dominant landcover type:	70: Tree cover, needleleaved, evergreen, closed to open (>15%)
Fraction of dominant landcover type [%]:	39.0

Radius: 20 km

Number of landcover classes:	8
Dominant landcover type:	90: Tree cover, mixed leaf type
Fraction of dominant landcover type [%]:	42.0

Disturbances

Heterogeneity analysis

The heterogeneity analysis provides information about the spatial and temporal heterogeneity of the site.

Topography

Roman et al. (2009) index
St	3.02679606607
Rcv	0.455065641355
Rse	0.0
Rst	-1.04717949076e-05
Rsv	-0.536070939548

Height range @ 1km [m]	25
Height range @ 2km [m]	32
Height range @ 5km [m]	71
Height range @ 10km [m]	-999
Height range @ 20km [m]	-999

Variance slope @ 1 km	74
Variance slope @ 2 km	92
Variance slope @ 5 km	130
Variance slope @ 10 km	-999
Variance slope @ 20 km	-999

NDVI (max. NDVI composite)

Roman et al. (2009) index
St	1.37008299947
Rcv	0.672799468396
Rse	0.0
Rst	-0.516849073899
Rsv	-0.999999822915

NDVI range @ 1km [-]	0.02
NDVI range @ 2km [-]	0.02
NDVI range @ 5km [-]	0.04
NDVI range @ 10km [-]	0.06
NDVI range @ 20km [-]	0.06

Variance slope @ 1 km	0.000111875665618
Variance slope @ 2 km	0.000132137291843
Variance slope @ 5 km	8.0234055923e-05
Variance slope @ 10 km	2.43473103063e-05
Variance slope @ 20 km	9.83843866951e-06

NDVI (min. NDVI composite)I

Roman et al. (2009) index
St	5.87058507113
Rcv	-0.19655771803
Rse	0.0
Rst	0.0783346811643
Rsv	-0.236129920328

NDVI range @ 1km [-]	0.11
NDVI range @ 2km [-]	0.16
NDVI range @ 5km [-]	0.12
NDVI range @ 10km [-]	0.2
NDVI range @ 20km [-]	0.23

NDVI slope @ 1 km	0.000962858237718
NDVI slope @ 2 km	0.00120979621726
NDVI slope @ 5 km	0.000873084680338
NDVI slope @ 10 km	0.000351290665205
NDVI slope @ 20 km	0.000162845704511

Temporal stability analysis

+000 deg (BHR)

BHR statistics

Temporal stability [1/decade]:

		abs	rel
Weighted least square:	-99999.0
Ordinary least square:	-99999.0

Probabilities that GCOS criteria is met:

Weighted least square:	-99999.0 %
Ordinary least square:	-99999.0 %

DHR statistics

Temporal stability [1/decade]:

		abs	rel
Weighted least square:	-99999.0
Ordinary least square:	-99999.0

Probabilities that GCOS criteria is met:

Weighted least square:	-99999.0 %
Ordinary least square:	-99999.0 %

+057/+063 deg (BHR)

BHR statistics

Temporal stability [1/decade]:

		abs	rel
Weighted least square:	None
Ordinary least square:	None

Probabilities that GCOS criteria is met:

Weighted least square:	None %
Ordinary least square:	None %

DHR statistics

Temporal stability [1/decade]:

		abs	rel
Weighted least square:	None
Ordinary least square:	None

Probabilities that GCOS criteria is met:

Weighted least square:	None %
Ordinary least square:	None %

Temporal anomaly analyis

The variance of the temporal anomalies provides an additional measure about the stability of the signal AFTER removal of the mean seasonal cylce.

+000 deg

+057/+063 deg

By continuing to use this website, you are giving consent to analytic cookies being used. For more information on how EUMETSAT uses data and how you can disable this, please view this web page: Analytics Cookie Policy