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Journal Article

Soil moisture observation in a forested headwater catchment: combining a dense cosmic-ray neutron sensor network with roving and hydrogravimetry at the TERENO site Wüstebach

Authors

Heistermann,  Maik
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Bogena,  Heye
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Francke,  Till
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

/persons/resource/guentner

Güntner,  A.
4.4 Hydrology, 4.0 Geosystems, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
TERENO, Deutsches GeoForschungsZentrum;

Jakobi,  Jannis
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

/persons/resource/drasche

Rasche,  Daniel
4.4 Hydrology, 4.0 Geosystems, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
TERENO, Deutsches GeoForschungsZentrum;

Schrön,  Martin
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Döpper,  Veronika
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Fersch,  Benjamin
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Groh,  Jannis
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Patil,  Amol
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Pütz,  Thomas
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

/persons/resource/mreich

Reich,  Marvin
4.4 Hydrology, 4.0 Geosystems, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
TERENO, Deutsches GeoForschungsZentrum;

Zacharias,  Steffen
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Zengerle,  Carmen
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Oswald,  Sascha
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

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Fulltext (public)

5011959.pdf
(Publisher version), 6MB

Supplementary Material (public)
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Citation

Heistermann, M., Bogena, H., Francke, T., Güntner, A., Jakobi, J., Rasche, D., Schrön, M., Döpper, V., Fersch, B., Groh, J., Patil, A., Pütz, T., Reich, M., Zacharias, S., Zengerle, C., Oswald, S. (2022): Soil moisture observation in a forested headwater catchment: combining a dense cosmic-ray neutron sensor network with roving and hydrogravimetry at the TERENO site Wüstebach. - Earth System Science Data, 14, 5, 2501-2519.
https://doi.org/10.5194/essd-14-2501-2022


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5011959
Abstract
Cosmic-ray neutron sensing (CRNS) has become an effective method to measure soil moisture at a horizontal scale of hundreds of metres and a depth of decimetres. Recent studies proposed operating CRNS in a network with overlapping footprints in order to cover root-zone water dynamics at the small catchment scale and, at the same time, to represent spatial heterogeneity. In a joint field campaign from September to November 2020 (JFC-2020), five German research institutions deployed 15 CRNS sensors in the 0.4 km2 Wüstebach catchment (Eifel mountains, Germany). The catchment is dominantly forested (but includes a substantial fraction of open vegetation) and features a topographically distinct catchment boundary. In addition to the dense CRNS coverage, the campaign featured a unique combination of additional instruments and techniques: hydro-gravimetry (to detect water storage dynamics also below the root zone); ground-based and, for the first time, airborne CRNS roving; an extensive wireless soil sensor network, supplemented by manual measurements; and six weighable lysimeters. Together with comprehensive data from the long-term local research infrastructure, the published data set (available at https://doi.org/10.23728/b2share.756ca0485800474e9dc7f5949c63b872; Heistermann et al., 2022) will be a valuable asset in various research contexts: to advance the retrieval of landscape water storage from CRNS, wireless soil sensor networks, or hydrogravimetry; to identify scale-specific combinations of sensors and methods to represent soil moisture variability; to improve the understanding and simulation of land–atmosphere exchange as well as hydrological and hydrogeological processes at the hillslope and the catchment scale; and to support the retrieval of soil water content from airborne and spaceborne remote sensing platforms.