Mon Oct 13, F. Flechtner
• Sorted by Date • Sorted by Last Name of First Author •
Behrangi, Ali, Christensen, Matthew, Richardson, Mark, Lebsock, Matthew, Stephens, Graeme, Huffman, George J., Bolvin, David, Adler, Robert F., Gardner, Alex, Lambrigtsen, Bjorn, and Fetzer, Eric, 2016. Status of high-latitude precipitation estimates from observations and reanalyses. Journal of Geophysical Research (Atmospheres), 121(9):4468–4486, doi:10.1002/2015JD024546.
• from the NASA Astrophysics Data System • by the DOI System •
@ARTICLE{2016JGRD..121.4468B,
author = {{Behrangi}, Ali and {Christensen}, Matthew and {Richardson}, Mark and {Lebsock}, Matthew and {Stephens}, Graeme and {Huffman}, George J. and {Bolvin}, David and {Adler}, Robert F. and {Gardner}, Alex and {Lambrigtsen}, Bjorn and {Fetzer}, Eric},
title = "{Status of high-latitude precipitation estimates from observations and reanalyses}",
journal = {Journal of Geophysical Research (Atmospheres)},
keywords = {precipitation, high latitude, remote sensing, reanalysis, observation},
year = 2016,
month = may,
volume = {121},
number = {9},
pages = {4468-4486},
abstract = "{An intercomparison of high-latitude precipitation characteristics from
observation-based and reanalysis products is performed. In
particular, the precipitation products from CloudSat provide an
independent assessment to other widely used products, these
being the observationally based Global Precipitation Climatology
Project (GPCP), Global Precipitation Climatology Centre, and
Climate Prediction Center Merged Analysis of Precipitation
(CMAP) products and the ERA-Interim, Modern-Era Retrospective
Analysis for Research and Applications (MERRA), and National
Centers for Environmental Prediction-Department of Energy
Reanalysis 2 (NCEP-DOE R2) reanalyses. Seasonal and annual total
precipitation in both hemispheres poleward of 55{\textdegree}
latitude are considered in all products, and CloudSat is used to
assess intensity and frequency of precipitation occurrence by
phase, defined as rain, snow, or mixed phase. Furthermore, an
independent estimate of snow accumulation during the cold season
was calculated from the Gravity Recovery and Climate Experiment.
The intercomparison is performed for the 2007-2010 period when
CloudSat was fully operational. It is found that ERA-Interim and
MERRA are broadly similar, agreeing more closely with CloudSat
over oceans. ERA-Interim also agrees well with CloudSat
estimates of snowfall over Antarctica where total snowfall from
GPCP and CloudSat is almost identical. A number of disagreements
on regional or seasonal scales are identified: CMAP reports much
lower ocean precipitation relative to other products, NCEP-DOE
R2 reports much higher summer precipitation over Northern
Hemisphere land, GPCP reports much higher snowfall over Eurasia,
and CloudSat overestimates precipitation over Greenland, likely
due to mischaracterization of rain and mixed-phase
precipitation. These outliers are likely unrealistic for these
specific regions and time periods. These estimates from
observations and reanalyses provide useful insights for
diagnostic assessment of precipitation products in high
latitudes, quantifying the current uncertainties, improving the
products, and establishing a benchmark for assessment of climate
models.}",
doi = {10.1002/2015JD024546},
adsurl = {https://ui.adsabs.harvard.edu/abs/2016JGRD..121.4468B},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
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