EURAC soil moisture monitoring site Mazia Valley, Italy

F Greifeneder, C Notarnicola, G Niedrist, S della Chiesa, G Bertoldi, U Tappeiner, M Zebisch, N Pierdicca (UNI Sapienza), S Paloscia (CNR-IFAC)

Institute for Alpine Environment

Institute for Applied Remote Sensing

SMAP Cal/Val Workshop #6, Columbia, Maryland 2

Mazia Valley, South Tyrol, Italy

• Total area: ~100km²

• Altitude: 920 – 3738m a.s.l.

• Main land-cover: pastures and meadows

• Mean annual precip.: ~550 mm

• 21 monitoring stations

• Time-series starting in 2009

• Calibration with gravimetric samples and

mobile TDR measurements in several field

campaigns

Mazia Valley

SMAP Cal/Val Workshop #6, Columbia, Maryland 3

Mazia Valley, South Tyrol, Italy

• Total area: ~100km²

• Altitude: 920 – 3738m a.s.l.

• Main land-cover: pastures and meadows

• Mean annual precip.: ~550 mm

• 21 monitoring stations

• Time-series starting in 2009

• Calibration with gravimetric samples and

mobile TDR measurements in several field

campaigns

Mazia Valley

SMAP Cal/Val Workshop #6, Columbia, Maryland 4

Site name ID # Variables (depth)

Schluderns/Sluderno

(B1000)

4401

1SM* at 5 and 20cm (2 replicates) ST at 0.5, 5, 10, 20 and 50cm depth, PREC.

Tair (both at 2m) manually downloadable by GSM connection. (Decagon sensor)

Muntetsching (B1500) 1(6)

SM at 5 and 20cm (2 replicates) ST at 0.5, 5, 10, 20 and 50cm depth, PREC.

Tair (both at 2m) manually downloadable by GSM connection. (5 more

replicates of SM profiles will be installed in autumn 2013)

Tartscher Leger (B2000) 1SM at 5 and 20cm (2 replicates) ST at 0.5, 5, 10, 20 and 50cm depth, PREC.

Tair (both at 2m) manually downloadable by GSM connection.

SMAP In-Situ Stations

Sensitivity analysis

5SMAP Cal/Val Workshop #6, Columbia, Maryland

-25.00

-20.00

-15.00

-10.00

-5.00

0.00

5.00

0

5

10

15

20

25

30

35

40

6/3/2015 6/13/2015 6/23/2015

SIG

0 [

dB

]

SMC

[m

3m

-3]

B1000

SMC

VV_fore

VV_aft

HH_fore

HH_aft

XPOL_fore

XPOL_aft

-25.00

-20.00

-15.00

-10.00

-5.00

0.00

5.00

10.00

0 10 20 30 40 50 60 70

B1000: R=0.52

B1500: R=0.53

B2000: R=0.30-25.00

-20.00

-15.00

-10.00

-5.00

0.00

5.00

0

5

10

15

20

25

30

35

40

45

6/3/2015 6/13/2015 6/23/2015

SIG

0

SMC

[m

3m

-3]

B1500

-25.00

-20.00

-15.00

-10.00

-5.00

0.00

5.00

10.00

0

10

20

30

40

50

60

6/3/2015 6/13/2015 6/23/2015

SIG

0

SMC

[m

3m

-3]

B2000

Retrieval experiment

6SMAP Cal/Val Workshop #6, Columbia, Maryland

R=0.31

RMSE=0.12 m3/m-3

R=0.76

RMSE=0.03 m3/m-3

Pasolli, L, C Notarnicola, L Bruzzone, G Bertoldi, S Della Chiesa, V Hell, G

Niedrist, et al. 2011. “Estimation of Soil Moisture in an Alpine

Catchment with RADARSAT2 Images.” Applied and Environmental Soil

Science 2011: 1–12.