i
Intercomparison of atmospheric water vapour measurements at a Canadian High Arctic site
-
2017
Source: Atmos. Meas. Tech., 10, 2851–2880, 2017
[PDF-6.58 MB]
Select the Download button to view the document
This document is over 5mb in size and cannot be previewed
Details:
-
Journal Title:Atmospheric Measurement Techniques
-
Personal Author:
-
NOAA Program & Office:
-
Description:Water vapour is a critical component of the Earth system. Techniques to acquire and improve measurements of atmospheric water vapour and its isotopes are under active development. This work presents a detailed intercomparison of water vapour total column measurements taken between 2006 and 2014 at a Canadian High Arctic research site (Eureka, Nunavut). Instruments include radiosondes, sun photometers, a microwave radiometer, and emission and solar absorption Fourier transform infrared (FTIR) spectrometers. Close agreement is observed between all combination of datasets, with mean differences ≤ 1.0 kg m−2 and correlation coefficients ≥ 0.98. The one exception in the observed high correlation is the comparison between the microwave radiometer and a radiosonde product, which had a correlation coefficient of 0.92.
A variety of biases affecting Eureka instruments are revealed and discussed. A subset of Eureka radiosonde measurements was processed by the Global Climate Observing System (GCOS) Reference Upper Air Network (GRUAN) for this study. Comparisons reveal a small dry bias in the standard radiosonde measurement water vapour total columns of approximately 4 %. A recently produced solar absorption FTIR spectrometer dataset resulting from the MUSICA (MUlti-platform remote Sensing of Isotopologues for investigating the Cycle of Atmospheric water) retrieval technique is shown to offer accurate measurements of water vapour total columns (e.g. average agreement within −5.2 % of GRUAN and −6.5 % of a co-located emission FTIR spectrometer). However, comparisons show a small wet bias of approximately 6 % at the high-latitude Eureka site. In addition, a new dataset derived from Atmospheric Emitted Radiance Interferometer (AERI) measurements is shown to provide accurate water vapour measurements (e.g. average agreement was within 4 % of GRUAN), which usefully enables measurements to be taken during day and night (especially valuable during polar night).
-
Keywords:
-
Source:Atmos. Meas. Tech., 10, 2851–2880, 2017
-
Document Type:
-
Place as Subject:
-
Rights Information:CC BY
-
Compliance:Submitted
-
Main Document Checksum:urn:sha256:67c88be83d2247c9e983e1b4d3489819b48d8afd65e43ac54ddc6807dad31495
-
File Type:
Supporting Files
-
No Additional Files
More +
Related Documents
-
2019 | Quart. J. Roy. Meteor. Soc. 145(724): 2876-2908, 2019Description:Historical reanalyses that span more than a century are needed for a wide range of studies, from understanding large‐scale climate trends to diagnos...Estimating methane emissions in California's urban and rural regions using multitower observationsCitePersonal Author:Jeong, Seongeun ;Newman, Sally...2016 | JGR Atmospheres 121(21): 13031-13049, 2016Description:We present an analysis of methane (CH4) emissions using atmospheric observations from 13 sites in California during June 2013 to May 2014. A hierarchi...Personal Author:Ralph, F. M. ;Iacobellis, S. F....2017 | J Hydrometeor (2017) 18(9): 2577–2596Description:Aircraft dropsonde observations provide the most comprehensive measurements to date of horizontal water vapor transport in atmospheric rivers (ARs). T...Personal Author:Sossa, Awolou ;Liebmann, Brant...2017 | J. Clim. (2017) 30(6): 1999–2010Description:This study focuses on the impact of the Madden–Julian oscillation (MJO)—as monitored by a well-known multivariate index—on large daily precipita...Personal Author:Vano, Julie A. ;Miller, Kathleen...2019 | Bull. Amer. Meteor. Soc. (2019) 100(1): S9–S14Description:Record-breaking extreme storms were a hallmark of 2017 in the United States. An extremely wet winter on the West Coast and brutally damaging hurricane...Personal Author:Wolter, Klaus ;Hoerling, Martin...2018 | Bull. Amer. Meteor. Soc. (2018) 99(1): S54–S59Description:The biggest winter storm of 2016 named “Jonas” over the eastern United States hit the mid-Atlantic states around 23 January, dumping up to 1 m of ...Personal Author:Quan, Xiao-Wei ;Hoerling, Martin...2018 | Bull. Amer. Meteor. Soc. (2018) 99(1): S49–S53Description:This is a story of two extreme events—one that was expected but failed to occur and the other that actually did occur but was not anticipated. The o...2020 | Journal ofGeophysical Research: Biogeosciences,125(10) 1-15Description:Salt marshes provide valuable services, such as protecting the coastfrom storms, removing excess nutrient pollution from water, and long‐term burial...2017 | The Cryosphere, 11, 497–516, 2017Description:Greenland Ice Sheet surface temperatures are controlled by an exchange of energy at the surface, which includes radiative, turbulent, and ground heat ...Personal Author:Castro, Sandra ;Emery, William...2017 | Remote Sens. 2017, 9(11), 1089Description:Earlier studies of spatial variability in sea surface temperature (SST) using ship-based radiometric data suggested that variability at scales smaller...2020 | Journal ofGeophysical Research: Biogeosciences,125(10) 1-16Description:Salt marsh ecosystems rely on carbon accumulation to increaseelevation and survive sea level rise. The amount of carbon accumulated in a marsh is the ...Personal Author:Gou, Yabin ;Ma, Yingzhao...2019 | Remote Sens. 2019, 11(1), 22Description:Polarimetric radar measurements and products perform as the cornerstones of modern severe weather warning and nowcast systems. Two radar quantitative ...2017 | Water 2017, 9(11), 899Description:The partitioning of precipitation into frozen and liquid components influences snow-derived water resources and flood hazards in mountain environments...2017 | Atmos. Meas. Tech., 10, 999–1015, 2017Description:Observations of turbulence in the planetary boundary layer are critical for developing and evaluating boundary layer parameterizations in mesoscale nu...2017 | Atmos. Meas. Tech., 10, 1215–1227, 2017Description:During the eXperimental Planetary boundary layer Instrumentation Assessment (XPIA) campaign, which was carried out at the Boulder Atmospheric Observat...Contribution of temperature and precipitation anomalies to the California drought during 2012–2015Cite2017 | Geophysical Research Letters 44(7): 3184-3192, 2017Description:The recent multiyear drought over California was characterized by large precipitation deficits and abnormally high temperatures during both wet and dr...Personal Author:Hamill, Thomas M. ;Engle, Eric...2017 | Mon. Weath. Rev. (2017) 145(9): 3441-3463Description:The U.S. National Blend of Models provides statistically postprocessed, high-resolution multimodel ensemble guidance, providing National Weather Servi...Personal Author:Hoell, Andrew ;Hoerling, Martin...2017 | J. Climate (2017) 30(6): 1939-1957Description:Two theories for observed East Africa drying trends during March–May 1979–2013 are reconciled. Both hypothesize that variations in tropical sea su...Personal Author:Hoell, Andrew ;Gaughan, Andrea E....2017 | J. Hydrometeor. (2017) 18 (9): 2407–2424Description:Southern Africa precipitation during December–March (DJFM), the height of the rainy season, is closely related with two modes of climate variability...Personal Author:Newman, Matthew ;Wittenberg, Andrew T....2018 | Bull. Amer. Meteor. Soc. (2018) 99(1): S16–S20Description:Recent studies have investigated whether both the amplitude and key characteristics of El Niño–Southern Oscillation (ENSO) events have been changin...
More +
You May Also Like
Personal Author:
Wang, Zhipeng ;
Iturbide-Sanchez, Flavio
...
2022 | Remote Sens. 2022, 14(4), 876
Description:
Radiometric intercomparison between satellite remote sensing instruments has become an increasingly common practice to monitor the stability and even ...
2018 | Atmos. Meas. Tech., 11, 4435–4463, 2018
Description:
Time series of stratospheric and lower mesospheric water vapour using 33 data sets from 15 different satellite instruments were compared in the framew...
Checkout today's featured content at repository.library.noaa.gov