VIENTIANE

Location

lon / lat [deg]: 102.5696 / 17.9923

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]:	2.4
Distance to urban areas [km]:	0.15

Radius: 1 km

Number of landcover classes:	4
Dominant landcover type:	190: urban areas
Fraction of dominant landcover type [%]:	44.0

Radius: 2 km

Number of landcover classes:	4
Dominant landcover type:	190: urban areas
Fraction of dominant landcover type [%]:	39.0

Radius: 5 km

Number of landcover classes:	6
Dominant landcover type:	10: cropland, rainfed
Fraction of dominant landcover type [%]:	45.0

Radius: 10 km

Number of landcover classes:	7
Dominant landcover type:	10: cropland, rainfed
Fraction of dominant landcover type [%]:	46.0

Radius: 20 km

Number of landcover classes:	8
Dominant landcover type:	10: cropland, rainfed
Fraction of dominant landcover type [%]:	44.0

Disturbances

Heterogeneity analysis

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

Topography

Roman et al. (2009) index
St	1.58900696674e-05
Rcv	0.429898351914
Rse	0.0
Rst	-0.248762242652
Rsv	188796.479741

Height range @ 1km [m]	6
Height range @ 2km [m]	7
Height range @ 5km [m]	16
Height range @ 10km [m]	-999
Height range @ 20km [m]	-999

Variance slope @ 1 km	19
Variance slope @ 2 km	14
Variance slope @ 5 km	8
Variance slope @ 10 km	-999
Variance slope @ 20 km	-999

NDVI (max. NDVI composite)

Roman et al. (2009) index
St	2.40899520711e-07
Rcv	0.65755204541
Rse	0.0
Rst	0.136656163088
Rsv	12453324.1072

NDVI range @ 1km [-]	0.01
NDVI range @ 2km [-]	0.06
NDVI range @ 5km [-]	0.25
NDVI range @ 10km [-]	0.3
NDVI range @ 20km [-]	0.3

Variance slope @ 1 km	0.000595727184506
Variance slope @ 2 km	0.000773923621791
Variance slope @ 5 km	0.000693167726173
Variance slope @ 10 km	0.000489072361513
Variance slope @ 20 km	0.000353890685153

NDVI (min. NDVI composite)I

Roman et al. (2009) index
St	1.20754209812e-06
Rcv	0.475802423608
Rse	0.0
Rst	0.152850335945
Rsv	2484384.80574

NDVI range @ 1km [-]	0.04
NDVI range @ 2km [-]	0.06
NDVI range @ 5km [-]	0.12
NDVI range @ 10km [-]	0.17
NDVI range @ 20km [-]	0.21

NDVI slope @ 1 km	0.000350473132629
NDVI slope @ 2 km	0.000432223640904
NDVI slope @ 5 km	0.00035535004583
NDVI slope @ 10 km	0.000260519384357
NDVI slope @ 20 km	0.000188510880332

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:	0.000167612315048
Ordinary least square:	0.00121904499672

Probabilities that GCOS criteria is met:

Weighted least square:	10.9 %
Ordinary least square:	5.4 %

DHR statistics

Temporal stability [1/decade]:

		abs	rel
Weighted least square:	0.00298147612657
Ordinary least square:	0.00196640256114

Probabilities that GCOS criteria is met:

Weighted least square:	3.5 %
Ordinary least square:	5.3 %

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.