Search Results - "Chwala, Christian"

Challenges in Diurnal Humidity Analysis from Cellular Microwave Links (CML) over Germany by Rubin, Yoav, Rostkier-Edelstein, Dorita, Chwala, Christian, Alpert, Pinhas

“…Near-surface humidity is a crucial variable in many atmospheric processes, mostly related to the development of clouds and rain. The humidity at the height of…”
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spateGAN: Spatio‐Temporal Downscaling of Rainfall Fields Using a cGAN Approach by Glawion, Luca, Polz, Julius, Kunstmann, Harald, Fersch, Benjamin, Chwala, Christian

“…Climate models face limitations in their ability to accurately represent highly variable atmospheric phenomena. To resolve fine‐scale physical processes,…”
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Potential of commercial microwave link network derived rainfall for river runoff simulations by Smiatek, Gerhard, Keis, Felix, Chwala, Christian, Fersch, Benjamin, Kunstmann, Harald

“…Commercial microwave link networks allow for the quantification of path integrated precipitation because the attenuation by hydrometeors correlates with…”
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Rainfall estimates from opportunistic sensors in Germany across spatio-temporal scales by Graf, Maximilian, El Hachem, Abbas, Eisele, Micha, Seidel, Jochen, Chwala, Christian, Kunstmann, Harald, Bárdossy, András

“…•presentation of commercial microwave link and personal weather station data in Germany•filtering/interpolation framework treating uncertainty and integral…”
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Transboundary Rainfall Estimation Using Commercial Microwave Links by Blettner, Nico, Fencl, Martin, Bareš, Vojtěch, Kunstmann, Harald, Chwala, Christian

“…Unlike actual rainfall, the spatial extent of rainfall maps is often determined by administrative and political boundaries. Similarly, data from commercial…”
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Towards Innovative Solutions for Monitoring Precipitation in Poorly Instrumented Regions: Real-Time System for Collecting Power Levels of Microwave Links of Mobile Phone Operators for Rainfall Quantification in Burkina Faso by Djibo, Moumouni, Ouedraogo, Wend Yam Serge Boris, Doumounia, Ali, Sanou, Serge Roland, Sawadogo, Moumouni, Guira, Idrissa, Koné, Nicolas, Chwala, Christian, Kunstmann, Harald, Zougmoré, François

“…Since the 1990s, mobile telecommunication networks have gradually become denser around the world. Nowadays, large parts of their backhaul network consist of…”
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Fifteen Years of Integrated Terrestrial Environmental Observatories (TERENO) in Germany: Functions, Services, and Lessons Learned by Zacharias, Steffen, Loescher, Henry W., Bogena, Heye, Kiese, Ralf, Schrön, Martin, Attinger, Sabine, Blume, Theresa, Borchardt, Dietrich, Borg, Erik, Bumberger, Jan, Chwala, Christian, Dietrich, Peter, Fersch, Benjamin, Frenzel, Mark, Gaillardet, Jérôme, Groh, Jannis, Hajnsek, Irena, Itzerott, Sibylle, Kunkel, Ralf, Kunstmann, Harald, Kunz, Matthias, Liebner, Susanne, Mirtl, Michael, Montzka, Carsten, Musolff, Andreas, Pütz, Thomas, Rebmann, Corinna, Rinke, Karsten, Rode, Michael, Sachs, Torsten, Samaniego, Luis, Schmid, Hans Peter, Vogel, Hans‐Jörg, Weber, Ute, Wollschläger, Ute, Vereecken, Harry

“…The need to develop and provide integrated observation systems to better understand and manage global and regional environmental change is one of the major…”
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Commercial microwave link networks for rainfall observation: Assessment of the current status and future challenges by Chwala, Christian, Kunstmann, Harald

“…Accurate observation of the high spatio‐temporal variability of rainfall is crucial for hydrometeorological applications. However, the existing observations…”
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New Insights into Dynamics of Wet Antenna Attenuation Based on In-Situ Estimations Provided by the Dedicated Field Experiment ATTRRA2 by Tiede, Jonas, Chwala, Christian, Siart, Uwe

“…Wet antenna attenuation (WAA) can cause significant overestimation of rainfall estimates from commercial microwave link (CML) data. Typically, WAA estimation…”
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Rainfall estimation from a German-wide commercial microwave link network: optimized processing and validation for 1 year of data by Graf, Maximilian, Chwala, Christian, Polz, Julius, Kunstmann, Harald

“…Rainfall is one of the most important environmental variables. However, it is a challenge to measure it accurately over space and time. During the last decade,…”
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Quantitative Analysis of the Performance of Spatial Interpolation Methods for Rainfall Estimation Using Commercial Microwave Links by Eshel, Adam, Messer, Hagit, Kunstmann, Harald, Alpert, Pinhas, Chwala, Christian

“…Using signal level measurements from commercial microwave links (CMLs) has proven to be a valuable tool for near-ground 2D rain mapping. Such mapping is…”
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Rain event detection in commercial microwave link attenuation data using convolutional neural networks by Polz, Julius, Chwala, Christian, Graf, Maximilian, Kunstmann, Harald

“…Quantitative precipitation estimation with commercial microwave links (CMLs) is a technique developed to supplement weather radar and rain gauge observations…”
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Modeling of Wet Antenna Attenuation for Precipitation Estimation From Microwave Links by Moroder, Clemens, Siart, Uwe, Chwala, Christian, Kunstmann, Harald

“…This letter presents an analysis of wet antenna attenuation (WAA) from an electrodynamic perspective. The WAA is a relevant part of the path attenuation…”
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Combining Commercial Microwave Link and Rain Gauge Observations to Estimate Countrywide Precipitation: A Stochastic Reconstruction and Pattern Analysis Approach by Blettner, Nico, Chwala, Christian, Haese, Barbara, Hörning, Sebastian, Kunstmann, Harald

“…Accurate spatiotemporal precipitation quantification is a crucial prerequisite for hydrological analyses. The optimal reconstruction of the spatial…”
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Microwave Instrument for Simultaneous Wet Antenna Attenuation and Precipitation Measurement by Moroder, Clemens, Siart, Uwe, Chwala, Christian, Kunstmann, Harald

“…Attenuation data from microwave links can be used to derive important near-ground precipitation estimates which complements observations from rain gauges and…”
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Missing Rainfall Extremes in Commercial Microwave Link Data Due To Complete Loss of Signal by Polz, Julius, Graf, Maximilian, Chwala, Christian

“…An important aspect of rainfall estimation is to accurately capture extreme events. Commercial microwave links (CMLs) can complement weather radar and rain…”
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Temporal Super-Resolution, Ground Adjustment, and Advection Correction of Radar Rainfall Using 3-D-Convolutional Neural Networks by Polz, Julius, Glawion, Luca, Gebisso, Hiob, Altenstrasser, Lukas, Graf, Maximilian, Kunstmann, Harald, Vogl, Stefanie, Chwala, Christian

“…Weather radars are highly sophisticated tools for quantitative precipitation estimation (QPE) and provide observations with unmatched spatial…”
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Cover Image, Volume 6, Issue 2 by Chwala, Christian, Kunstmann, Harald

“…The cover image is based on the Advanced Review Commercial microwave link networks for rainfall observation: Assessment of the current status and future…”
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Real-time data acquisition of commercial microwave link networks for hydrometeorological applications by Chwala, Christian, Keis, Felix, Kunstmann, Harald

“…The usage of data from commercial microwave link (CML) networks for scientific purposes is becoming increasingly popular, in particular for rain rate…”
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A monostatic microwave transmission experiment for line integrated precipitation and humidity remote sensing by Chwala, Christian, Kunstmann, Harald, Hipp, Susanne, Siart, Uwe

“…Near-surface water vapor and precipitation are central hydrometeorological observables which are still difficult to quantify accurately above the point scale…”
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