Soil moisture network in COPS

C. Hauck, N. Kalthoff, L. Krauß

Institute for Meteorology and Climate Research, University of Karlsruhe

5th COPS workshop, 26 – 28 march 2007

26 march 2007 L. Krauß

COPS locations

Supersites

Sites of energy balance/ turbulence/ sodar measurement Karlsruhe

Locations of Soil Moisture Measurements

FZ Karlsruhe

(status: installed)

FZ Karlsruhe

(status: not installed yet)

Univ. Bayreuth

Univ. Freiburg

Soil Moisture Network

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Soil Moisture Stations

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► additional stations (for COPS):

at supersite R, H, M (FZ Karlsruhe) at supersite S (Univ. Bonn) at supersite V (French station) in the Rhinevalley at Linkenheim (FZ Karlsruhe)

Soil Moisture Network

FZ Karlsruhe University of Bayreuth University of Freiburg

40 stations each with 3 sensors

4 stations 2 stations

the sensors probably will work from the first

of may and will runat least for 1 year

Installation Details

Soil moisture sensors:

SISOMOP (Simplified Soil Moisture Probe)

5 cm

20 cm

50 cm

Installation depths

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3 sensors at each station

Special Observation Sites/ Measurements

Optional: detailed 2D-variability of soil moisture with geophysical instruments (Geoelectrics/ Ground penetrating radar)

3 planned Special Observation Sites (spatial soil moisture variability)

– Linkenheim (Rhine valley, close to IMK-FZK)– Hornisgrinde (supersite H)– AMF site (supersite M)

Rings et al. submitted

Electrical Resistivity Tomography

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► location of all soil moisture stations (run by FZ Karlsruhe) are near existing precipitation stations (DWD, LUBW)

► integration of all soil moisture measurements during COPS into one network coordinated by Karlsruhe with French contributions

► there is at least 1 soil moisture measurement on each supersite

► Data will be send to the Archive in Hamburg every 4 weeks

Open Questions:

- temporal resolution

depends on the storage capability of the data loggers

will be less than 1 hour (presumably 30 minutes)

- temporal resolution of detailed 2D-sections is not clear yet

26 march 2007 L. Krauß

Logistic/ Questions