[PDF] Top 20 An improved CryoSat-2 sea ice freeboard retrieval algorithm through the use of waveform fitting
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An improved CryoSat-2 sea ice freeboard retrieval algorithm through the use of waveform fitting
... mean freeboard difference (CS2- IceBridge) ranges from 1 to 3 cm, while the ice thickness difference ranges from 11 to 23 ...higher freeboard retrieved by CryoSat-2 is consistent with ... See full document
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Sensitivity of CryoSat-2 Arctic sea-ice freeboard and thickness on radar-waveform interpretation
... we use to derive sea-ice free- board defined as the height of the ice surface above the sea ...Accurate CryoSat-2 range measurements over open water and the ice ... See full document
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The relation between sea ice thickness and freeboard in the Arctic
... Abstract. Retrieval of Arctic sea ice thickness from CryoSat-2 radar altimeter freeboard data requires observa- tional data to verify the relation between these two ...in-situ ... See full document
8
Utilisation of CryoSat-2 SAR altimeter in operational ice charting
... MY ice has implications for sea ice thick- ness retrieval from ...altimeter sea ice thickness processors apply some kind of a MY ice mask, firstly to modify the snow ... See full document
11
Three years of sea ice freeboard, snow depth, and ice thickness of the Weddell Sea from Operation IceBridge and CryoSat-2
... this algorithm (described in Kwok and Maksym, 2014), both the snow–ice and air–snow interfaces are detected and localized by determining the significance of each local peak above the noise floor in ... See full document
13
About the consistency between Envisat and CryoSat-2 radar freeboard retrieval over Antarctic sea ice
... hemisphere-wide sea-ice thickness retrieval using satellite- based altimeter time series, the next step would be to merge data sets from different satellite missions to a consistent long- term record ... See full document
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Empirical parametrization of Envisat freeboard retrieval of Arctic and Antarctic sea ice based on CryoSat-2: progress in the ESA Climate Change Initiative
... the sea-ice freeboard for every month of the MOP separately for Envisat and ...the sea-ice freeboard difference of Envisat minus CryoSat-2, which is shown to- ... See full document
24
Lead detection in Arctic sea ice from CryoSat-2: quality assessment, lead area fraction and width distribution
... distinguish CryoSat-2 measure- ments from leads and those from ...the waveform has in all cases shown better results than any other tested parameter, including the pulse ...of ice being ... See full document
14
Comparison of CryoSat-2 and ENVISAT radar freeboard over Arctic sea ice: toward an improved Envisat freeboard retrieval
... in ice surface type tends to modify the shape of the leading ...Fig. 2, the LEW widening displayed by MYI wave- forms is larger for Envisat than for CryoSat-2 ...of CryoSat-2 ... See full document
15
Improved Retrieval of Sea Ice Thickness and Density from Laser Altimeter
... the ice surface or in presence of dry snow. The ice freeboard for laser altimeter could be within the snow layer in presence of frozen snow, or snow crusts that occur after refreezing of melted ... See full document
13
Improving Met Office seasonal predictions of Arctic sea ice using assimilation of CryoSat-2 thickness
... of sea-ice concentration has been included in ocean reanalysis, operational ocean predic- tion and seasonal forecasting systems for several years (Stark et ...2015), sea ice thickness is not ... See full document
20
Retrieval of snow freeboard of Antarctic sea ice using waveform fitting of CryoSat-2 returns
... picking” algorithm is em- ployed to mark the vertical locations of both the maximum backscatter and the first point that rises 10 dB above the noise level for each horizontal point along the flight ...snow– ... See full document
18
Utilizing CryoSat-2 sea ice thickness to initialize a coupled ice-ocean modeling system
... Arctic sea ice thickness and volume from CS2. Their algorithm first uses the CS2 Level 1B radar echo data to separate measure- ments of sea ice floes and leads; then determines ice ... See full document
16
Arctic Mission Benefit Analysis: impact of sea ice thickness, freeboard, and snow depth products on sea ice forecast performance
... efficient, 2- and 3-dimensional fields are partitioned into ...the sea ice–ocean model plus two parameters from the observation operators for freeboard products (see ... See full document
26
A weekly Arctic sea-ice thickness data record from merged CryoSat-2 and SMOS satellite data
... two ice types and the drift along the Beau- fort Gyre (Petty et ...multiyear ice floes that drift along the Beaufort Gyre might not be cap- tured by the OSI SAF ice type product, allowing for SMOS ... See full document
17
Mapping Ice Sheet Grounding Lines With CryoSat-2
... continuous ice sheet grounding ...of ice sheet observations acquired by any instrument to ...grounded ice boundary from the break in surface slope, although the earlier satellite missions will not ... See full document
12
The sub-ice platelet layer and its influence on freeboard to thickness conversion of Antarctic sea ice
... total freeboard and their conversion to thickness of Antarctic sea ...the sea- ward advection of supercooled ice shelf water from beneath ice ...This ice shelf water provides an ... See full document
9
Sea-ice extent and its trend provide limited metrics of model performance
... modelled sea-ice coverage, the regional distribution of biases must be ...mean sea-ice concentration is a standard tool in examining model ...trieved sea-ice concentration from ... See full document
15
Sea ice thickness, freeboard, and snow depth products from Operation IceBridge airborne data
... the retrieval of geophys- ical data products from the Level 1 instrument data, which can then be used by others wishing to engage in more spe- cialized research, as well as to discuss the known limitations and ... See full document
22
Erroneous sea ice concentration retrieval in the East Antarctic
... The question remains why the artefact is so localised and is much smaller than the synoptic scale of the warming events. While we notice a correlation between the location of the artefact and the bathymetry in its ... See full document
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