Search Results - "Melsheimer, C"

Surface Emissivity of the Arctic Sea Ice at AMSR-E Frequencies by Mathew, N., Heygster, G., Melsheimer, C.

“…Surface emissivity is an essential quantity to retrieve surface and atmospheric parameters from satellite measurements. The surface emissivity of the Arctic…”
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Melt pond fraction and spectral sea ice albedo retrieval from MERIS data – Part 2: Case studies and trends of sea ice albedo and melt ponds in the Arctic for years 2002–2011 by Istomina, L, Heygster, G, Huntemann, M, Marks, H, Melsheimer, C, Zege, E, Malinka, A, Prikhach, A, Katsev, I

“…The spatial and temporal dynamics of melt ponds and sea ice albedo contain information on the current state and the trend of the climate of the Arctic region…”
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A multi-instrument comparison of integrated water vapour measurements at a high latitude site by Buehler, S. A, Östman, S, Melsheimer, C, Holl, G, Eliasson, S, John, V. O, Blumenstock, T, Hase, F, Elgered, G, Raffalski, U, Nasuno, T, Satoh, M, Milz, M, Mendrok, J

“…We compare measurements of integrated water vapour (IWV) over a subarctic site (Kiruna, Northern Sweden) from five different sensors and retrieval methods:…”
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Influence of the physical environment on polar phytoplankton blooms: A case study in the Fram Strait by Cherkasheva, A., Bracher, A., Melsheimer, C., Köberle, C., Gerdes, R., Nöthig, E.-M., Bauerfeind, E., Boetius, A.

“…The Fram Strait is the main gateway for water, heat and sea-ice exchanges between the Arctic Ocean and the North Atlantic. The complex physical environment…”
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Improved Retrieval of Total Water Vapor Over Polar Regions From AMSU-B Microwave Radiometer Data by Melsheimer, C., Heygster, G.

“…The polar regions are among those where the least information is available about the current and predicted states of surface and atmosphere. We present…”
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From the chlorophyll a in the surface layer to its vertical profile: a Greenland Sea relationship for satellite applications by Cherkasheva, A, Nöthig, E.-M, Bauerfeind, E, Melsheimer, C, Bracher, A

“…Current estimates of global marine primary production range over a factor of two. Improving these estimates requires an accurate knowledge of the chlorophyll…”
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Integrated water vapor above Ny Ålesund, Spitsbergen: a multi-sensor intercomparison by Pałm, M., Melsheimer, C., Noël, S., Heise, S., Notholt, J., Burrows, J., Schrems, O.

“…Water vapor is an important constituent of the atmosphere. Because of its abundance and its radiative properties it plays an important role for the radiation…”
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Surface Emissivity of Arctic Sea Ice at AMSU Window Frequencies by Mathew, N., Heygster, G., Melsheimer, C., Kaleschke, L.

“…A method to retrieve the surface emissivity of sea ice at the window channels of the Advanced Microwave Sounding Unit (AMSU) radiometers in the polar region is…”
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Arctic Total Water Vapor: Comparison of Regional Climate Simulations with Observations, and Simulated Decadal Trends by Rinke, A., Melsheimer, C., Dethloff, K., Heygster, G.

“…Satellite-retrieved data of total water vapor (TWV) over the Arctic are patchy, with large areas of missing data because of various limitations of the…”
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Remote sensing of sea ice: advances during the DAMOCLES project by Heygster, G, Alexandrov, V, Dybkjær, G, von Hoyningen-Huene, W, Girard-Ardhuin, F, Katsev, I. L, Kokhanovsky, A, Lavergne, T, Malinka, A. V, Melsheimer, C, Toudal Pedersen, L, Prikhach, A. S, Saldo, R, Tonboe, R, Wiebe, H, Zege, E. P

“…In the Arctic, global warming is particularly pronounced so that we need to monitor its development continuously. On the other hand, the vast and hostile…”
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Intercomparison of general purpose clear sky atmospheric radiative transfer models for the millimeter/submillimeter spectral range by Melsheimer, C., Verdes, C., Buehler, S. A., Emde, C., Eriksson, P., Feist, D. G., Ichizawa, S., John, V. O., Kasai, Y., Kopp, G., Koulev, N., Kuhn, T., Lemke, O., Ochiai, S., Schreier, F., Sreerekha, T. R., Suzuki, M., Takahashi, C., Tsujimaru, S., Urban, J.

“…We compare a number of radiative transfer models for atmospheric sounding in the millimeter and submillimeter wavelength range, check their consistency, and…”
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Investigation of multifrequency/multipolarization radar signatures of rain cells over the ocean using SIR-C/X-SAR data by Melsheimer, Christian, Alpers, Werner, Gade, Martin

“…Radar signatures of rain cells are investigated using multifrequency/multipolarization synthetic aperture radar (SAR) images acquired from the space shuttle…”
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Potential of SSMIS to derive cloud liquid water over sea ice by Laue, H., Andersen, S., Melsheimer, C., Heygster, G.

“…Passive microwave measurements from satellite sensors like SSM/I deliver valuable information on sea ice and atmospheric conditions in polar regions. In late…”
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First results of Antarctic sea ice type retrieval from active and passive microwave remote sensing data by Melsheimer, Christian, Spreen, Gunnar, Ye, Yufang, Shokr, Mohammed

“…Polar sea ice is one of the Earth's climate components that has been significantly affected by the recent trend of global warming. While the sea ice area in…”
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Weddell Sea polynya analysis using SMOS–SMAP apparent sea ice thickness retrieval by Mchedlishvili, Alexander, Spreen, Gunnar, Melsheimer, Christian, Huntemann, Marcus

“…The Weddell Sea is known to feature large openings in its winter sea ice field, otherwise known as open-ocean polynyas. An area within the Weddell Sea region…”
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Modeling the contribution of leads to sea spray aerosol in the high Arctic by Lapere, Rémy, Marelle, Louis, Rampal, Pierre, Brodeau, Laurent, Melsheimer, Christian, Spreen, Gunnar, Thomas, Jennie L

“…Elongated open-water areas in sea ice (leads) release sea spray particles to the atmosphere. However, there is limited knowledge on the amount, properties and…”
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Imaging of ocean waves on both sides of an atmospheric front by the SIR-C/X-SAR multifrequency synthetic aperture radar by Melsheimer, Christian, Bao, Mingquan, Alpers, Werner

“…Radar images of an ocean scene containing an atmospheric front and almost range‐propagating ocean waves which were acquired by the…”
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Retrieval of total water vapour in the Arctic using microwave humidity sounders by Scarlat, Raul Cristian, Melsheimer, Christian, Heygster, Georg

“…Quantitative retrievals of atmospheric water vapour in the Arctic present numerous challenges because of the particular climate characteristics of this area…”
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Classification of sediments on exposed tidal flats in the German Bight using multi-frequency radar data by Gade, Martin, Alpers, Werner, Melsheimer, Christian, Tanck, Gerd

“…We present a new method for the extraction of roughness parameters of sand ripples on exposed tidal flats from multi-frequency synthetic aperture radar (SAR)…”
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Improved water vapour retrieval from AMSU-B and MHS in the Arctic by Triana-Gómez, Arantxa M, Heygster, Georg, Melsheimer, Christian, Spreen, Gunnar, Negusini, Monia, Petkov, Boyan H

“…Monitoring of water vapour in the Arctic on long timescales is essential for predicting Arctic weather and understanding climate trends, as well as addressing…”
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