ZINDER_AIRPORT







Location

lon / lat [deg]: 8.9902 / 13.7767

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]:

18.18

Distance to urban areas [km]:

1.08



Radius: 1 km

Number of landcover classes:

2

Dominant landcover type:

130: grassland

Fraction of dominant landcover type [%]:

94.0



Radius: 2 km

Number of landcover classes:

3

Dominant landcover type:

130: grassland

Fraction of dominant landcover type [%]:

52.0



Radius: 5 km

Number of landcover classes:

5

Dominant landcover type:

10: cropland, rainfed

Fraction of dominant landcover type [%]:

51.0



Radius: 10 km

Number of landcover classes:

5

Dominant landcover type:

10: cropland, rainfed

Fraction of dominant landcover type [%]:

65.0



Radius: 20 km

Number of landcover classes:

6

Dominant landcover type:

10: cropland, rainfed

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

12.0738364611

Rcv

0.0314926373896

Rse

0.0

Rst

-0.178356722097

Rsv

-0.0386217879965



Height range @ 1km [m]

15

Height range @ 2km [m]

20

Height range @ 5km [m]

27

Height range @ 10km [m]

-999

Height range @ 20km [m]

-999



Variance slope @ 1 km

28

Variance slope @ 2 km

27

Variance slope @ 5 km

16

Variance slope @ 10 km

-999

Variance slope @ 20 km

-999







NDVI (max. NDVI composite)


Roman et al. (2009) index


St

8.22050421072

Rcv

0.160815315665

Rse

0.0

Rst

0.10684119995

Rsv

-0.0972846027279



NDVI range @ 1km [-]

0.03

NDVI range @ 2km [-]

0.06

NDVI range @ 5km [-]

0.1

NDVI range @ 10km [-]

0.09

NDVI range @ 20km [-]

0.08



Variance slope @ 1 km

7.25970100322e-05

Variance slope @ 2 km

9.09423429104e-05

Variance slope @ 5 km

7.53292990953e-05

Variance slope @ 10 km

4.79197908952e-05

Variance slope @ 20 km

2.90216850253e-05







NDVI (min. NDVI composite)I


Roman et al. (2009) index


St

1.87872087971

Rcv

-0.0829019896411

Rse

0.0

Rst

-0.513930145826

Rsv

-0.999999002357



NDVI range @ 1km [-]

0.0

NDVI range @ 2km [-]

0.02

NDVI range @ 5km [-]

0.02

NDVI range @ 10km [-]

0.02

NDVI range @ 20km [-]

0.02



NDVI slope @ 1 km

3.9140845365e-06

NDVI slope @ 2 km

4.94345801799e-06

NDVI slope @ 5 km

4.3782973253e-06

NDVI slope @ 10 km

3.01981504852e-06

NDVI slope @ 20 km

2.27372858411e-06







Temporal stability analysis

+000 deg (BHR)




BHR statistics

Temporal stability [1/decade]:


abs

rel


Weighted least square:

-0.0247769644095






Ordinary least square:

-0.0180241350805










Probabilities that GCOS criteria is met:

Weighted least square:

3.1 %

Ordinary least square:

2.9 %





DHR statistics

Temporal stability [1/decade]:


abs

rel


Weighted least square:

-0.0159405232209






Ordinary least square:

-0.0116249889297










Probabilities that GCOS criteria is met:

Weighted least square:

2.5 %

Ordinary least square:

2.4 %





+057/+063 deg (BHR)




BHR statistics

Temporal stability [1/decade]:


abs

rel


Weighted least square:

0.0210764211844






Ordinary least square:

0.00644551169712










Probabilities that GCOS criteria is met:

Weighted least square:

0.6 %

Ordinary least square:

0.4 %





DHR statistics

Temporal stability [1/decade]:


abs

rel


Weighted least square:

0.0158443121874






Ordinary least square:

0.00135971971806










Probabilities that GCOS criteria is met:

Weighted least square:

0.2 %

Ordinary least square:

7.1 %







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