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CryoSat News

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Published by EOWeb on Tue 03 of Apr. 2018

Antarctica loses grip

ESA's CryoSat mission has revealed that, over the last seven years, Antarctica has lost an area of underwater ice the size of Greater London. This is because warm ocean water beneath the continent's floating margins is eating away at the ice attached to the seabed.

Most Antarctic glaciers flow straight into the ocean in deep submarine troughs. The place where their base leaves the seabed and begins to float is known as the grounding line.

These grounding lines typically lie a kilometre or more below sea level and are inaccessible even to submersibles, so remote methods for detecting them are extremely valuable.

Read more

Published by EOWeb on Tue 13 of Mar. 2018

Ocean GOP data gap filled

Further to the announcement published on 12 December 2017 regarding the start of the GOP production, Cryosat scientific users are informed that the GOP data gap between the end of the Baseline B (i.e. on 07 October) and the announced start of Baseline C (i.e. on 06 November), has now been filled with L1b and L2 Baseline C data.

 

The reprocessed data for 30 days are already available on the Science Server for download.

 

Published by EOWeb on Mon 05 of Feb. 2018

CryoSat rolls in orbit for calibration

CryoSat users are informed that a roll campaign is scheduled on 6 February 2018 (from 01:42:00 to 05:07:30 UTC and from 14:17:00 to 17:27:30 UTC). SIRAL instrument routine planning will be suspended and data gaps are possible. NRT users will be mostly affected.

This campaign is part of the periodic calibration activities to improve the quality of the mission products. Users will be notified when the data is made available online.

Published by EOWeb on Fri 02 of Feb. 2018

Updated CryoSat dataset with corrected mispointing angle for aberration of light

The dataset which contains Star Tracker mispointing angles corrected for the aberration of light has now been updated with the archive for 2017.

The dataset is particularly useful for CryoSat users processing the data in Swath Mode.

It is noted that corrected values of the mispointing angles corrected for the aberration of light will be incorporated in the next release of the ice products called Baseline D, planned to be released this year.

The full dataset now covers most of the mission lifetime, dating from November 2010 to the end of 2017.

More information on the dataset is available on the datasets page.

Published by EOWeb on Mon 22 of Jan. 2018

CryoSat NOP production started

CryoSat scientific users are informed that the Ocean Baseline C NOP production has started and products are already available on the Science Server. Quality of products has been checked and it is in line with expectations.
Published by EOWeb on Mon 18 of Dec 2017

CryoSat Baseline C Ocean Product documents released

In addition to the data sample and product format specification documents, CryoSat scientific users are informed that two key documents dealing with the Baseline C ocean products are now available:


The content of these documents is not frozen and will be regularly updated and improved, based on feedback and recommendations from the ocean user community. Please email eohelp at esa.int regarding feedback and recommendations.

Complementary information about ESA CryoSat Ocean product quality and evolutions can be also found in the reference paper by Bouffard et al (2017), which was a recently published CryoSat special edition of Advances in Space Research.

Published by EOWeb on Wed 13 of Dec 2017

CryoSat Science Server maintenance - 13 December 2017

CryoSat scientific users are informed that today, Wednesday 13 December, problems may be experienced in accessing CryoSat data on the Science Server due to a planned maintenance activity.

We apologise for any possible inconvenience caused.

Published by EOWeb on Tue 12 of Dec 2017

CryoSat Ocean GOP production begins

CryoSat scientific users are informed that the Ocean Baseline C GOP production has started and products are already available on the Science Server.

While the L1b products have passed all quality checks, we have detected a sporadic mishap on some of the L2 whose datation is set to Default Value in the middle of the product. This is causing some corresponding failures in the P2P production.

The decision to release the GOP was made in order to avoid delays on the corresponding Ice product processing. Gaps and affected products shall be replaced with a dedicated reprocessing activity in the next future.

Published by EOWeb on Wed 22 of Nov. 2017

Version 4.0.0 of CryoSat User Tool released

A new version of the CryoSat User Tool (CUT v4.0.0) has recently been released.

The CryoSat User Tool is a Windows stand-alone application for displaying and downloading all the CryoSat products, including the new Baseline C Ocean Products which started production in October.

In the new version of CUT, a memory issue at times occurring during CUT initialisation has been solved.

Users can download the tool and find further information on the CUT web page.

Published by EOWeb on Fri 10 of Nov. 2017

CryoSat Ocean Baseline C production online

Further to the news published on 02 November 2017, we inform users that the CryoSat Ocean Product Baseline C production started as planned on 7 October. The first IOP products are already populating the Science Server.

We are currently monitoring the production to iron out some minor noted shortfalls which are delaying the production of a few specific products.

The first GOP data should be produced and disseminated on approximately 6 December. The NOP products (near real time) will not be initially available.

Since new products are now available, users are recommended to download the new version of the CryoSat User Tool (V4.0.0).

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