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Found 13 results.

Krauthausen data set

This data set comprises different types of data acquired at the Krauthausen test site. The data are arranged in different folders corresponding to the method used to collect the data. The different folders are: • Crosshole GPR data • Borehole deviation data • Cone penetration test data • Direct-push data (acquired by the UFZ Leipzig) • Flowmeter data • Grain size data • 3D aquifer models derived from multi-point statistical simulations Each folder includes a documentation-file which briefly explains the data structure and which provides additional information e.g. about the exact location of measurement points or about the original source of the data. Papers describing the experimental setup / processing of the data are included as well.

IHAC - Identification of unit Hydrographs and Component flows

Konzeptionelles Modell zur Abflusssimulation. Das Modell ist untergliedert in ein Produktions- und ein Transfermodul. Das Produktionsmodul besteht aus einem Korrekturfaktor von Niederschlag und potenzieller Evapotranspiration sowie einem nicht-linearen Bodenfeuchteindex, das Transfermodul aus zwei Abflusskomponenten mit zwei linearen Speichern sowie unverfälschter Zeitverzögerung. Ein Grad/Tag-Schneeschmelzemodul wird in von Schnee beeinflussten Einzugsgebieten angewendet. Modellinput sind Tageszeitreihen von potenzieller Evapotranspiration und Niederschlag im Einzugsgebiet, sowie Tageszeitreihen der Temperatur zur Schneeschmelze. Als Modelloutput wird der tägliche Abfluss generiert. Zeitliche Einheit in Tagen.

Model Output Statistics for BIHAC (14528)

DWD’s fully automatic MOSMIX product optimizes and interprets the forecast calculations of the NWP models ICON (DWD) and IFS (ECMWF), combines these and calculates statistically optimized weather forecasts in terms of point forecasts (PFCs). Thus, statistically corrected, updated forecasts for the next ten days are calculated for about 5400 locations around the world. Most forecasting locations are spread over Germany and Europe. MOSMIX forecasts (PFCs) include nearly all common meteorological parameters measured by weather stations. For further information please refer to: [in German: https://www.dwd.de/DE/leistungen/met_verfahren_mosmix/met_verfahren_mosmix.html ] [in English: https://www.dwd.de/EN/ourservices/met_application_mosmix/met_application_mosmix.html ]

Salt tracer GPR FWI

GPR data in time-lapse during salt water tracer test in Krauthausen test site

GPR data was acquired in crosshole setup before (background) and after (time-lapse) salt tracer injection for 9 planes. In total 42 datasets were measured.

Synthetic 3D GPR data for point source and RLA for different ray-paths angles

To increase the resolution of crosshole ground-penetrating radar (GPR) tomography, a wide-range of ray-path angles are required including transmitter-receiver pairs that produce large angles. However, artefacts have been observed in the inverted GPR tomograms when high-angle data were incorporated in ray-base tomography and inversions. Therefore, it is common practice to limit the angular aperture to a particular threshold ranging between 30° to 50° for ray-based inversion which significantly reduces the spatial resolution. Detailed 3D modeling of the crosshole GPR waves including the water-filled borehole and finite length antenna showed that this phenomenon is caused by the strong refraction of the electromagnetic waves at the borehole interface between water and soil due to change in the electromagnetic waves velocities. Our novel correction method can be used by crosshole GPR user to incorporate wide-angle ray-paths and improved apparent velocity values to obtain more accurate and higher resolution tomographic inversion results.

GPR data in time-lapse during hot water tracer test in Krauthausen test site

GPR data was acquired in crosshole setup before (background) and after (time-lapse) hot water tracer injection for 4 planes. In total 39 datasets were measured.

Heat tracer borehole temperature

GPR data in time-lapse during saline tracer test in Krauthausen test site: crosshole plane 2926

GPR data was acquired in crosshole setup before (background) and after (time-lapse) salt tracer injection. Plane 2926 includes 2 datasets: the background and day 1 following the injection.

Salt tracer borehole electrical conductivity

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