New paper from M. Passaro et al . "ALES+: Adapting a homogenous ocean retracker for satellite altimetry to sea ice leads, coastal and inland waters" has been recently published
Radar satellites supply the data used to map sea level and ocean currents. However, up until now the radar's "eyes" have been blind where the oceans are covered by ice. Researchers at the Technical University of Munich (TUM) have now developed a new analysis method to solve this problem.
The 1 year Bridging Phase of SL_cci project is started !
2018-03-18
2019-03-19
Europe/Rome
The kick-off of the "Bridging phase" activities for the SL_cci project occured on 16th of March, 2018. Objectives of these activities are mainly to continue research and development activities in order to improve the sea level content at climate scales and provide recommendations to C3S. Read more »
Legeais et al.: "An improved and homogeneous altimeter sea level record from the ESA Climate Change Initiative" is now published.
Following the release of the full reprocessing (v2.0) of the sea level ECV, the description of the validation of this dataset is now available in the following publication:
Legeais, J.-F., Ablain, M., Zawadzki, L., Zuo, H., Johannessen, J. A., Scharffenberg, M. G., Fenoglio-Marc, L., Fernandes, M. J., Andersen, O. B., Rudenko, S., Cipollini, P., Quartly, G. D., Passaro, M., Cazenave, A., and Benveniste, J.: An improved and homogeneous altimeter sea level record from the ESA Climate Change Initiative, Earth Syst. Sci. Data, 10, 281-301, https://doi.org/10.5194/essd-10-281-2018, 2018.
Note that the description of how this product has been built is already available in the following publication:
Quartly, G. D., Legeais, J.-F., Ablain, M., Zawadzki, L., Fernandes, M. J., Rudenko, S., Carrère, L., García, P. N., Cipollini, P., Andersen, O. B., Poisson, J.-C., Mbajon Njiche, S., Cazenave, A., and Benveniste, J.: A new phase in the production of quality-controlled sea level data, Earth Syst. Sci. Data, 9, 557-572, https://doi.org/10.5194/essd-9-557-2017, 2017.
See the "Products" webpage (www.esa-sealevel-cci.org/products) for additional information and access to the products. Read more »
SL_cci v2.0 global mean sea level corrected for Topex-A drift and with AVISO completion
25 years of Multi-mission global sea level trend from altimetry (1993-2017) based on ESA’s Climate Change Initiative Project (SL_cci) from 1993 to 2015, extended (in red) by multi-mission data processed by CNES (AVISO) until mid-2017 and further extended by Jason-3 "near real time" data up to 22 November 2017 (NB: the Topex-A drift correction has been applied on the 6 first years). The curve has been corrected for the GIA effect. The global mean sea level has increased by about 3 mm/yr on average but the black curve (a quadratic function fitted to the data) shows clear acceleration over the recent years. The objective of the ESA Sea Level Climate Change Initiative project is to provide stable, long-term satellite-based Sea Level products for climate applications.
© ESA (SL_cci) and CNES/LEGOS (AVISO) Read more »
The SL_cci Climate Assessment Report is available
Following the release of the SL_cci ECV v2.0, extensive validation has been carried out by the Climate Research Group. These validation results are presented in the Climate Assessment Report available here Read more »
New Arctic and Antarctic weekly gridded sea level product is now available.
A new DTU/TUM Arctic and Antarctic weekly gridded sea level product is now available. for more information and access to the product, see the Products web page.
Sea Level CCI at the EGU General Assembly 2017
The following abstracts have been submitted by the Sea Level CCI team for the next EGU General Assembly: Read more »
Sea Level v2.0 ECV is now available
The Sea Level CCI team is pleased to announce the release of a full reprocessing of the Sea Level v2.0 ECV product. The monthly maps of sea level anomalies are now available over the 1993-2015 period. The ECV product also includes ocean indicators over the same period: Read more »
Sea Level CCI newsletter (Edition #10) is now available
The tenth Sea Level CCI newsletter is now available for download. The main highlight in this new issue is the description of the level 2 altimeter standards that have been used to produce the v2.0 ECV. It also features a description of some results of comparisons between the ECV v2.0 with the previous v1.1 version. Other items in this edition include: Read more »
