Search Results - "Kiemle, C"

Space-borne remote sensing of CO2, CH4, and N2O by integrated path differential absorption lidar: a sensitivity analysis by Ehret, G., Kiemle, C., Wirth, M., Amediek, A., Fix, A., Houweling, S.

“…CO 2 , CH 4 , and N 2 O are recognised as the most important greenhouse gases, the concentrations of which increase rapidly through human activities…”
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Sensitivity studies for a space-based methane lidar mission by Kiemle, C., Quatrevalet, M., Ehret, G., Amediek, A., Fix, A., Wirth, M.

“…Methane is the third most important greenhouse gas in the atmosphere after water vapour and carbon dioxide. A major handicap to quantify the emissions at the…”
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Performance simulations for a spaceborne methane lidar mission by Kiemle, C., Kawa, S. R., Quatrevalet, M., Browell, E. V.

“…Future spaceborne lidar measurements of key anthropogenic greenhouse gases are expected to close current observational gaps particularly over remote, polar,…”
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Retrieval of methane source strengths in Europe using a simple modeling approach to assess the potential of spaceborne lidar observations by Weaver, C, Kiemle, C, Kawa, S. R, Aalto, T, Necki, J, Steinbacher, M, Arduini, J, Apadula, F, Berkhout, H, Hatakka, J

“…We investigate the sensitivity of future spaceborne lidar measurements to changes in surface methane emissions. We use surface methane observations from nine…”
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The water vapour intercomparison effort in the framework of the Convective and Orographically‐induced Precipitation Study: airborne‐to‐ground‐based and airborne‐to‐airborne lidar systems by Bhawar, R., Di Girolamo, P., Summa, D., Flamant, C., Althausen, D., Behrendt, A., Kiemle, C., Bosser, P., Cacciani, M., Champollion, C., Di Iorio, T., Engelmann, R., Herold, C., Müller, D., Pal, S., Wirth, M., Wulfmeyer, V.

“…An intensive water vapour intercomparison effort, involving airborne and ground‐based water vapour lidar systems, was carried out in the framework of the COPS…”
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First airborne water vapor lidar measurements in the tropical upper troposphere and mid-latitudes lower stratosphere: accuracy evaluation and intercomparisons with other instruments by Kiemle, C., Wirth, M., Fix, A., Ehret, G., Schumann, U., Gardiner, T., Schiller, C., Sitnikov, N., Stiller, G.

“…In the tropics, deep convection is the major source of uncertainty in water vapor transport to the upper troposphere and into the stratosphere. Although…”
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Assimilation of water-vapour airborne lidar observations: impact study on the COPS precipitation forecasts by Bielli, S., Grzeschik, M., Richard, E., Flamant, C., Champollion, C., Kiemle, C., Dorninger, M., Brousseau, P.

“…The Convective and Orographically‐driven Precipitation Study (COPS) carried out in summer 2007 over northeastern France and southwestern Germany provided a…”
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Forecasting summer convection over the Black Forest: a case study from the Convective and Orographically‐induced Precipitation Study (COPS) experiment by Richard, E., Chaboureau, J.‐P., Flamant, C., Champollion, C., Hagen, M., Schmidt, K., Kiemle, C., Corsmeier, U., Barthlott, C., Di Girolamo, P.

“…In the mid‐afternoon of 15 July 2007, during the Convective and Orographically‐induced Precipitation Study (COPS), in a very warm and dry environment, an…”
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Horizontal structure function and vertical correlation analysis of mesoscale water vapor variability observed by airborne lidar by Fischer, L., Craig, G. C., Kiemle, C.

“…Analysis is presented of airborne lidar measurements of water vapor, covering a height range from 1.5 to 10.4 km, from three field campaigns (midlatitude…”
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Water‐vapour variability within a convective boundary‐layer assessed by large‐eddy simulations and IHOP_2002 observations by Couvreux, F., Guichard, F., Redelsperger, J.‐L., Kiemle, C., Masson, V., Lafore, J.‐P., Flamant, C.

“…This study presents a comprehensive analysis of the variability of water vapour in a growing convective boundary‐layer (CBL) over land, highlighting the…”
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Water vapor heterogeneity related to tropopause folds over the North Atlantic revealed by airborne water vapor differential absorption lidar by Flentje, H., Dörnbrack, A., Ehret, G., Fix, A., Kiemle, C., Poberaj, G., Wirth, M.

“…Airborne differential absorption lidar (DIAL) measurements of tropospheric water vapor and aerosol/clouds are presented from transfers across the North…”
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Airborne all-solid-state DIAL for water vapour measurements in the tropopause region: system description and assessment of accuracy by Poberaj, G., Fix, A., Assion, A., Wirth, M., Kiemle, C., Ehret, G.

“…A novel airborne all-solid-state DIAL system for water vapour measurements in the upper troposphere and lower stratosphere has been developed at DLR. Its…”
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Validation of stratospheric water vapour measurements from the airborne microwave radiometer AMSOS by Müller, S. C., Kämpfer, N., Feist, D. G., Haefele, A., Milz, M., Sitnikov, N., Schiller, C., Kiemle, C., Urban, J.

“…We present the validation of a water vapour dataset obtained by the Airborne Microwave Stratospheric Observing System AMSOS, a passive microwave radiometer…”
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Ultrathin Tropical Tropopause Clouds (UTTCs): I. Cloud morphology and occurrence by Peter, Th, Luo, B. P., Wirth, M., Kiemle, C., Flentje, H., Yushkov, V. A., Khattatov, V., Rudakov, V., Thomas, A., Borrmann, S., Toci, G., Mazzinghi, P., Beuermann, J., Schiller, C., Cairo, F., Di Donfrancesco, G., Adriani, A., Volk, C. M., Strom, J., Noone, K., Mitev, V., MacKenzie, R. A., Carslaw, K. S., Trautmann, T., Santacesaria, V., Stefanutti, L.

“…Subvisible cirrus clouds (SVCs) may contribute to dehydration close to the tropical tropopause. The higher and colder SVCs and the larger their ice crystals,…”
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Dehydration potential of ultrathin clouds at the tropical tropopause by Luo, B. P., Peter, T., Fueglistaler, S., Wernli, H., Wirth, M., Kiemle, C., Flentje, H., Yushkov, V. A., Khattatov, V., Rudakov, V., Thomas, A., Borrmann, S., Toci, G., Mazzinghi, P., Beuermann, J., Schiller, C., Cairo, F., Di Donfrancesco, G., Adriani, A., Volk, C. M., Strom, J., Noone, K., Mitev, V., MacKenzie, R. A., Carslaw, K. S., Trautmann, T., Santacesaria, V., Stefanutti, L.

“…We report on the first simultaneous in situ and remote measurements of subvisible cirrus in the uppermost tropical troposphere. The observed cirrus, called…”
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Airborne Lidar and in-situ Aerosol Observations of an Elevated Layer, Leeward of the European Alps and Apennines by Nyeki, S., Eleftheriadis, K., Baltensperger, U., Colbeck, I., Fiebig, M., Fix, A., Kiemle, C., Lazaridis, M., Petzold, A.

“…An elevated layer was observed during airborne lidar and in‐situ aerosol measurements, leeward of the European Alps and Apennine mountains. The layer was…”
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Tropopause and hygropause variability over the equatorial Indian Ocean during February and March 1999 by MacKenzie, A. R., Schiller, C., Peter, T., Adriani, A., Beuermann, J., Bujok, O., Cairo, F., Corti, T., DiDonfrancesco, G., Gensch, I., Kiemle, C., Krämer, M., Kröger, C., Merkulov, S., Oulanovsky, A., Ravegnani, F., Rohs, S., Rudakov, V., Salter, P., Santacesaria, V., Stefanutti, L., Yushkov, V.

“…Measurements of temperature, water vapor, total water, ozone, and cloud properties were made above the western equatorial Indian Ocean in February and March…”
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Ultrathin Tropical Tropopause Clouds (UTTCs): II. Stabilization mechanisms by Luo, B. P., Peter, Th, Wernli, H., Fueglistaler, S., Wirth, M., Kiemle, C., Flentje, H., Yushkov, V. A., Khattatov, V., Rudakov, V., Thomas, A., Borrmann, S., Toci, G., Mazzinghi, P., Beuermann, J., Schiller, C., Cairo, F., Di Don-Francesco, G., Adriani, A., Volk, C. M., Strom, J., Noone, K., Mitev, V., MacKenzie, R. A., Carslaw, K. S., Trautmann, T., Santacesaria, V., Stefanutti, L.

“…Mechanisms by which subvisible cirrus clouds (SVCs) might contribute to dehydration close to the tropical tropopause are not well understood. Recently…”
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Space-borne clear air lidar measurements in the presence of broken cloud by Astin, I., Kiemle, C.

“…A number of proposed lidar systems, such as ESA’s AEOLUS (formerly ADM) and DIAL missions (e.g. WALES) are to make use of lidar returns in clear air. However,…”
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Aerosol–radiation interaction in the cloudless atmosphere during LACE 98 2. Aerosol-induced solar irradiance changes determined from airborne pyranometer measurements and calculations by Wendling, P., Stifter, A., Mayer, B., Fiebig, M., Kiemle, C., Flentje, H., Wendisch, M., Armbruster, W., Leiterer, U., Hoyningen-Huene, W. v., Petzold, A.

“…One of the goals of the aerosol column closure experiment Lindenberg Aerosol Characterization Experiment (LACE 98) that was carried out over the eastern part…”
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