ARCTIC_LTER_ARC

Location

lon / lat [deg]: -149.6 / 66.63

Source network: LTER

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]:	6.71
Distance to urban areas [km]:	none in region

Radius: 1 km

Number of landcover classes:	4
Dominant landcover type:	150: Sparse vegetation (tree, shrub, herbaceous cover) (<15%)
Fraction of dominant landcover type [%]:	61.0

Radius: 2 km

Number of landcover classes:	4
Dominant landcover type:	150: Sparse vegetation (tree, shrub, herbaceous cover) (<15%)
Fraction of dominant landcover type [%]:	56.0

Radius: 5 km

Number of landcover classes:	4
Dominant landcover type:	150: Sparse vegetation (tree, shrub, herbaceous cover) (<15%)
Fraction of dominant landcover type [%]:	51.0

Radius: 10 km

Number of landcover classes:	5
Dominant landcover type:	150: Sparse vegetation (tree, shrub, herbaceous cover) (<15%)
Fraction of dominant landcover type [%]:	51.0

Radius: 20 km

Number of landcover classes:	5
Dominant landcover type:	150: Sparse vegetation (tree, shrub, herbaceous cover) (<15%)
Fraction of dominant landcover type [%]:	56.0

Disturbances

Heterogeneity analysis

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

Topography

Roman et al. (2009) index
St	9.7451221232
Rcv	0.210656137746
Rse	0.0
Rst	0.093697714196
Rsv	-0.00349246974342

Height range @ 1km [m]	142
Height range @ 2km [m]	242
Height range @ 5km [m]	337
Height range @ 10km [m]	-999
Height range @ 20km [m]	-999

Variance slope @ 1 km	3622
Variance slope @ 2 km	3735
Variance slope @ 5 km	2556
Variance slope @ 10 km	-999
Variance slope @ 20 km	-999

NDVI (max. NDVI composite)

Roman et al. (2009) index
St	6.61290088038
Rcv	-0.00502353642718
Rse	0.0
Rst	-0.0443671315103
Rsv	0.404268029549

NDVI range @ 1km [-]	0.03
NDVI range @ 2km [-]	0.09
NDVI range @ 5km [-]	0.11
NDVI range @ 10km [-]	0.14
NDVI range @ 20km [-]	0.14

Variance slope @ 1 km	0.000228239039325
Variance slope @ 2 km	0.000252452093225
Variance slope @ 5 km	0.000251866606626
Variance slope @ 10 km	0.000180528256861
Variance slope @ 20 km	0.000106152048551

NDVI (min. NDVI composite)I

Roman et al. (2009) index
St	1.10721801625
Rcv	2.01678939314
Rse	0.0
Rst	-0.132532248468
Rsv	0.560171842035

NDVI range @ 1km [-]	0.12
NDVI range @ 2km [-]	0.18
NDVI range @ 5km [-]	0.41
NDVI range @ 10km [-]	0.39
NDVI range @ 20km [-]	0.37

NDVI slope @ 1 km	0.00255825349696
NDVI slope @ 2 km	0.00213469816053
NDVI slope @ 5 km	0.00123475821804
NDVI slope @ 10 km	0.000660504813646
NDVI slope @ 20 km	0.000330058948383

Temporal stability analysis

+000 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 %

+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.