LONDON-UCL-UAO

Location

lon / lat [deg]: -0.1311 / 51.5243

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]:	2.06
Distance to urban areas [km]:	0.09

Radius: 1 km

Number of landcover classes:	1
Dominant landcover type:	190: urban areas
Fraction of dominant landcover type [%]:	100.0

Radius: 2 km

Number of landcover classes:	1
Dominant landcover type:	190: urban areas
Fraction of dominant landcover type [%]:	100.0

Radius: 5 km

Number of landcover classes:	2
Dominant landcover type:	190: urban areas
Fraction of dominant landcover type [%]:	98.0

Radius: 10 km

Number of landcover classes:	2
Dominant landcover type:	190: urban areas
Fraction of dominant landcover type [%]:	97.0

Radius: 20 km

Number of landcover classes:	4
Dominant landcover type:	190: urban areas
Fraction of dominant landcover type [%]:	93.0

Disturbances

Heterogeneity analysis

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

Topography

Roman et al. (2009) index
St	1.65928293852
Rcv	0.822987086713
Rse	0.0
Rst	-1.89329226435e-07
Rsv	-0.985022636169

Height range @ 1km [m]	16
Height range @ 2km [m]	19
Height range @ 5km [m]	56
Height range @ 10km [m]	-999
Height range @ 20km [m]	-999

Variance slope @ 1 km	74
Variance slope @ 2 km	84
Variance slope @ 5 km	88
Variance slope @ 10 km	-999
Variance slope @ 20 km	-999

NDVI (max. NDVI composite)

Roman et al. (2009) index
St	9.08870004152e-08
Rcv	0.00778039180449
Rse	0.0
Rst	0.0814823602532
Rsv	33008020.709

NDVI range @ 1km [-]	0.06
NDVI range @ 2km [-]	0.21
NDVI range @ 5km [-]	0.31
NDVI range @ 10km [-]	0.28
NDVI range @ 20km [-]	0.35

Variance slope @ 1 km	0.00076015691568
Variance slope @ 2 km	0.000927850352795
Variance slope @ 5 km	0.00102590627941
Variance slope @ 10 km	0.000985782399432
Variance slope @ 20 km	0.000721803507324

NDVI (min. NDVI composite)I

Roman et al. (2009) index
St	1.44402336884e-07
Rcv	-0.0294397936488
Rse	0.0
Rst	0.0213389904488
Rsv	20775287.003

NDVI range @ 1km [-]	0.04
NDVI range @ 2km [-]	0.16
NDVI range @ 5km [-]	0.2
NDVI range @ 10km [-]	0.21
NDVI range @ 20km [-]	0.27

NDVI slope @ 1 km	0.000441696402446
NDVI slope @ 2 km	0.000526680358119
NDVI slope @ 5 km	0.000556312016796
NDVI slope @ 10 km	0.000591797999823
NDVI slope @ 20 km	0.000479006749817

Temporal stability analysis

+000 deg (BHR)

BHR statistics

Temporal stability [1/decade]:

		abs	rel
Weighted least square:	-0.0164212952134
Ordinary least square:	-0.00386841217783

Probabilities that GCOS criteria is met:

Weighted least square:	2.6 %
Ordinary least square:	4.9 %

DHR statistics

Temporal stability [1/decade]:

		abs	rel
Weighted least square:	-0.0132987928261
Ordinary least square:	0.0013389000443

Probabilities that GCOS criteria is met:

Weighted least square:	2.5 %
Ordinary least square:	6.1 %

+057/+063 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 %

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

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