BILLERICA

Location

lon / lat [deg]: -71.2686 / 42.5283

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]:	0.71
Distance to urban areas [km]:	0.1

Radius: 1 km

Number of landcover classes:	3
Dominant landcover type:	190: urban areas
Fraction of dominant landcover type [%]:	89.0

Radius: 2 km

Number of landcover classes:	4
Dominant landcover type:	190: urban areas
Fraction of dominant landcover type [%]:	90.0

Radius: 5 km

Number of landcover classes:	6
Dominant landcover type:	190: urban areas
Fraction of dominant landcover type [%]:	81.0

Radius: 10 km

Number of landcover classes:	7
Dominant landcover type:	190: urban areas
Fraction of dominant landcover type [%]:	75.0

Radius: 20 km

Number of landcover classes:	7
Dominant landcover type:	190: urban areas
Fraction of dominant landcover type [%]:	73.0

Disturbances

Heterogeneity analysis

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

Topography

Roman et al. (2009) index
St	12.0718604591
Rcv	0.114209500743
Rse	0.0
Rst	-0.0511968241797
Rsv	0.0831054939608

Height range @ 1km [m]	26
Height range @ 2km [m]	30
Height range @ 5km [m]	42
Height range @ 10km [m]	-999
Height range @ 20km [m]	-999

Variance slope @ 1 km	96
Variance slope @ 2 km	71
Variance slope @ 5 km	29
Variance slope @ 10 km	-999
Variance slope @ 20 km	-999

NDVI (max. NDVI composite)

Roman et al. (2009) index
St	6.63377102751
Rcv	0.213162288707
Rse	0.0
Rst	-0.077849702239
Rsv	0.161219475524

NDVI range @ 1km [-]	0.03
NDVI range @ 2km [-]	0.07
NDVI range @ 5km [-]	0.11
NDVI range @ 10km [-]	0.14
NDVI range @ 20km [-]	0.19

Variance slope @ 1 km	0.000357445813074
Variance slope @ 2 km	0.000441652381841
Variance slope @ 5 km	0.000439484828802
Variance slope @ 10 km	0.000273509558545
Variance slope @ 20 km	0.000158754660131

NDVI (min. NDVI composite)I

Roman et al. (2009) index
St	5.25922151468
Rcv	0.0422682958721
Rse	0.0
Rst	-0.109861267208
Rsv	0.418297065961

NDVI range @ 1km [-]	0.02
NDVI range @ 2km [-]	0.07
NDVI range @ 5km [-]	0.1
NDVI range @ 10km [-]	0.14
NDVI range @ 20km [-]	0.18

NDVI slope @ 1 km	0.000258636757871
NDVI slope @ 2 km	0.000317256458294
NDVI slope @ 5 km	0.000311139955627
NDVI slope @ 10 km	0.00021685845579
NDVI slope @ 20 km	0.000122974586914

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.