Cooperative Institute for Research in Environmental Sciences at the University of Colorado Boulder

Walter Meier

Research Interests

Observation and analysis of Arctic sea ice conditions

Sea ice motion and age observations

Lagrangian tracking of sea ice properties

Sea ice prediction

Improving access and usability of NASA cryospheric data products

Teaching Profile

Previously taught undergraduate course in "Remote Sensing" and "Polar Oceanography and Meteorology" at the U.S. Naval Academy. Guest lecturer in various classes, primarily on remote sensing of sea ice and Arctic climate.

Current Research

Arctic Sea Ice News and Analysis, https://nsidc.org/arcticseaicenews/

Sea Ice Prediction Network, https://www.arcus.org/sipn

Enhancements to sea ice motion and age estimates and application to Lagrangian tracking of properties

Sea ice estimates from enhanced resolution satellite data

Machine learning approaches to integrating multisensor sea ice data



Sea ice age

Sea ice age in March 1985 (upper left) and March 2020 (upper right) and time series of percent coverage of Arctic basin by different age categories (bottom). From NOAA 2020 Arctic Report Car. 

Drilling an ice core

Drilling a sea ice core near Utqiagvik, AK during NSF-sponsored sea ice camp in June 2016. 

Sea ice extent anomaly and trend

Monthly Arctic (blue) and Antarctic (red) sea ice extent anomalies, November 1978 - October 2020, normalized by monthly standard deviation. Thicker lines are 12-month running averages and dashed lines are the linear trends. Image from NSIDC Arctic Sea Ice News and Analysis. Data from NSIDC Sea Ice Index. 

View Publications

  • Lavergne T; Kern S; Aaboe S; Derby L; Dybkjaer G; Garric G; Heil P; Hendricks S; Holfort J; Howell S. (Jun 2022). A New Structure for the Sea Ice Essential Climate Variables of the Global Climate Observing System. Bulletin of the American Meteorological Society , 103(6), E1502-E1521. 10.1175/bams-d-21-0227.1
  • Meier WN; Stewart JS; Windnagel A; Fetterer FM. (Jan 2022). Comparison of Hemispheric and Regional Sea Ice Extent and Area Trends from NOAA and NASA Passive Microwave-Derived Climate Records. Remote Sensing , 14(3), 619-619. 10.3390/rs14030619
  • Meier W; Stroeve J. (Jan 2022). An Updated Assessment of the Changing Arctic Sea Ice Cover. Oceanography. 10.5670/oceanog.2022.114
  • Steele M; Eicken H; Bhatt U; Bieniek PK; Blanchard-Wrigglesworth E; Wiggins H; Turner-Bogren B; Hamilton L; Little J; Massonnet F. (Dec 2021). Moving Sea Ice Prediction Forward via Community Intercomparison. Bulletin of the American Meteorological Society , 102(12), E2226-E2228. 10.1175/BAMS-D-21-0159.1
  • Mallett RDC; Stroeve JC; Cornish SB; Crawford AD; Lukovich J; Serreze MC; Barrett AP; Meier WN; Heorton HDBS; Tsamados M. (Aug 2021). Record winter winds in 2020/21 drove exceptional Arctic sea ice transport. Communications Earth & Environment , 2(1). 10.1038/s43247-021-00221-8
  • Lee S; Shi H; Sohn B; Gasiewski AJ; Meier WN; Dybkjr G. (Jul 2021). Winter Snow Depth on Arctic Sea Ice From Satellite Radiometer Measurements (20032020): Regional Patterns and Trends. Geophysical Research Letters. 10.1029/2021gl094541
  • Dworak R; Liu Y; Key J; Meier WN. (Jul 2021). A Blended Sea Ice Concentration Product from AMSR2 and VIIRS. Remote Sensing , 13(15), 2982-2982. 10.3390/rs13152982
  • Vannan S; Downs R; Meier W; Wilson B; Gerasimov I. (Nov 2020). Data Sets Are Foundational to Research. Why Dont We Cite Them?. Eos, Transactions American Geophysical Union , 101. 10.1029/2020eo151665
  • Andersen JK; Andreassen LM; Baker EH; Ballinger TJ; Berner LT; Bernhard GH; Bhatt US; Bjerke JW; Box JE; Britt L. (Aug 2020). The Arctic. Bulletin of the American Meteorological Society , 101(8), S239-S286. 10.1175/bams-d-20-0086.1
  • (Aug 2020). State of the Climate in 2019. Bulletin of the American Meteorological Society , 101(8), S1-S429. 10.1175/2020bamsstateoftheclimate.1
  • Meier WN; Stewart JS. (Aug 2020). Assessing the Potential of Enhanced Resolution Gridded Passive Microwave Brightness Temperatures for Retrieval of Sea Ice Parameters. Remote Sensing , 12(16). 10.3390/rs12162552
  • Meier WN; Stewart JS. (Jul 2020). Assessment of the Stability of Passive Microwave Brightness Temperatures for NASA Team Sea Ice Concentration Retrievals. Remote Sensing , 12(14). 10.3390/rs12142197
  • Tschudi MA; Meier WN; Stewart JS. (May 2020). An enhancement to sea ice motion and age products at the National Snow and Ice Data Center (NSIDC). The Cryosphere , 14(5), 1519-1536. 10.5194/tc-14-1519-2020
  • Liu Y; Helfrich S; Meier WN; Dworak R. (May 2020). Assessment of AMSR2 Ice Extent and Ice Edge in the Arctic Using IMS. Remote Sensing , 12(10). 10.3390/rs12101582
  • Matthews JL; Peng G; Meier WN; Brown O. (Mar 2020). Sensitivity of Arctic Sea Ice Extent to Sea Ice Concentration Threshold Choice and Its Implication to Ice Coverage Decadal Trends and Statistical Projections. Remote Sensing , 12(5). 10.3390/rs12050807
  • Thoman RL; Bhatttt US; Bieniek PA; Brettttschneider BR; Brubaker M; Danielson SL; Labe Z; Lader R; Meier WN; Sheffield G. (Jan 2020). THE RECORD LOW BERING SEA ICE EXTENT IN 2018: CONTEXT, IMPACTS, AND AN ASSESSMENT OF THE ROLE OF ANTHROPOGENIC CLIMATE CHANGE. Bulletin of the American Meteorological Society , 101(1), S53-S57. 10.1175/BAMS-D-19-0175.1
  • Lee S-M; Meier WN; Sohn B-J; Shi H; Gasiewski AJ. (Jan 2020). Estimation of Arctic Basin-Scale Sea Ice Thickness From Satellite Passive Microwave Measurements. IEEE Transactions on Geoscience and Remote Sensing , 5841-5850. 10.1109/TGRS.2020.3026949
  • Gerland, S; Barber, D; Meier, W; Mundy, CJ; Holland, M; Kern, S; Li, ZJ; Michel, C; Perovich, DK; Tamura, T. (Apr 2019). Essential gaps and uncertainties in the understanding of the roles and functions of Arctic sea ice. ENVIRONMENTAL RESEARCH LETTERS , 14(4). 10.1088/1748-9326/ab09b3
  • Bliss, AC; Steele, M; Peng, G; Meier, WN; Dickinson, S. (Apr 2019). Regional variability of Arctic sea ice seasonal change climate indicators from a passive microwave climate data record. ENVIRONMENTAL RESEARCH LETTERS , 14(4). 10.1088/1748-9326/aafb84
  • Box, JE; Colgan, WT; Christensen, TR; Schmidt, NM; Lund, M; Parmentier, FJW; Brown, R; Bhatt, US; Euskirchen, ES; Romanovsky, VE; Walsh, JE; Overland, JE; Wang, MY; Corell, RW; Meier, WN; Wouters, B; Mernild, S; Mard, J; Pawlak, J; Olsen, MS. (Apr 2019). Key indicators of Arctic climate change: 1971-2017. ENVIRONMENTAL RESEARCH LETTERS , 14(4). 10.1088/1748-9326/aafc1b
  • Meier, WN; Stewart, JS. (Mar 2019). Assessing uncertainties in sea ice extent climate indicators. ENVIRONMENTAL RESEARCH LETTERS , 14(3). 10.1088/1748-9326/aaf52c
  • Tschudi, M.A., W.N. Meier, J.S. Stewart. (Feb 2019). An enhancement to sea ice motion and age products. 10.5194/tc-2019-40
  • Serreze, MC; Meier, WN. (Jan 2019). The Arctics sea ice cover: trends, variability, predictability, and comparisons to the Antarctic. ANNALS OF THE NEW YORK ACADEMY OF SCIENCES , 1436(1). 10.1111/nyas.13856
  • Peng, G., A. Arguez, W. Meier, F. Vamborg, J. Crouch, P. Jones. (Jan 2019). Sea Ice Climate Normals for Seasonal Ice Monitoring of Arctic and Sub-regions. 10.3390/data4030122
  • Peng, G, M Steele, AC Bliss, WN Meier and S Dickinson. (Sep 2018). Temporal Means and Variability of Arctic Sea Ice Melt and Freeze Season Climate Indicators Using a Satellite Climate Data Record. REMOTE SENSING , 10(9). 10.3390/rs10091328
  • Arndt DS; Blunden J; Hartfield G; Ackerman SA; Adler R; Alfaro EJ; Allan RP; Allan R; Alves LM; Amador JA. (Aug 2018). STATE OF THE CLIMATE IN 2017. Bulletin of the American Meteorological Society , 99(8), S1-S310.
  • Peng, G and WN Meier. (Jul 2018). Temporal and regional variability of Arctic sea-ice coverage from satellite data. ANNALS OF GLACIOLOGY , 59(76). 10.1017/aog.2017.32
  • Petty, AA, JC Stroeve, PR Holland, LN Boisvert, AC Bliss, N Kimura and WN Meier. (Feb 2018). The Arctic sea ice cover of 2016: a year of record-low highs and higher-than-expected lows. CRYOSPHERE , 12(2). 10.5194/tc-12-433-2018
  • Weaver, R., W.N. Meier, and F. Fetterer. (Jan 2018). Roger G. Barry (1935 - 2018): A Giant in Climate and Cryospheric Sciences. 10.1029/2018EO107369
  • Xian, Y, ZI Petrou, YL Tian and WN Meier. (Oct 2017). Super-Resolved Fine-Scale Sea Ice Motion Tracking. IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING , 55(10). 10.1109/TGRS.2017.2699081
  • Meier, WN, JS Stewart, YH Liu, J Key and JA Miller. (Sep 2017). Operational Implementation of Sea Ice Concentration Estimates From the AMSR2 Sensor. IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING , 10(9). 10.1109/JSTARS.2017.2693120
  • Meier, WN and A Ivanoff. (Sep 2017). Intercalibration of AMSR2 NASA Team 2 Algorithm Sea Ice Concentrations With AMSR-E Slow Rotation Data. IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING , 10(9). 10.1109/JSTARS.2017.2719624
  • Duncan, DI, CD Kummerow and WN Meier. (Sep 2017). An Integrated Examination of AMSR2 Products Over Ocean. IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING , 10(9). 10.1109/JSTARS.2017.2718535
  • Comiso, JC, WN Meier and R Gersten. (Aug 2017). Variability and trends in the Arctic Sea ice cover: Results from different techniques. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS , 122(8). 10.1002/2017JC012768
  • Arndt, DS, J Blunden, RJH Dunn, AP Aaron-Morrison, A Abdallah, SA Ackerman, R Adler, EJ Alfaro, RP Allan, R Allan, LA Alvarez, LM Alves, JA Amador, LM Andreassen, D Arce, A Arguez, DS Arndt, NM Arzhanova, J Augustine, E Awatif, C Azorin-Molina, J Baez, MU Bardin, J Barichivich, MO Baringer, S Barreira, S Baxter, HE Beck, A Becker, KM Bedka, MJ Behrenfeld, GD Bell, M Belmont, A Benedetti, GH Bernhard, P Berrisford, DI Berry, ML Bettolli, US Bhatt, M Bidegain, B Biskaborn, P Bissolli, J Bjerke, ES Blake, J Blunden, MG Bosilovich, O Boucher, D Boudet, JE Box, T Boyer, GO Braathen, J Brimelow, DH Bromwich, R Brown, S Buehler, ON Bulygina, D Burgess, B Calderon, SJ Camargo, JD Campbell, J Cappelen, P Caroff, L Carrea, BR Carter, DP Chambers, E Chandler, MD Cheng, HH Christiansen, JR Christy, D Chung, ES Chung, KR Clem, CAS Coelho, M Coldewey-Egbers, S Colwell, OR Coo. (Aug 2017). State of the Climate in 2016. BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY , 98(8). 10.1175/2017BAMSStateoftheClimate.1
  • Bliss, AC, JA Miller and WN Meier. (Mar 2017). Comparison of Passive Microwave-Derived Early Melt Onset Records on Arctic Sea Ice. REMOTE SENSING , 9(3). 10.3390/rs9030199
  • Arndt, DS, J Blunden, KM Willett, AP Aaron-Morrison, SA Ackerman, NG Adams, RF Adler, A Albanil, EJ Alfaro, R Allan, LM Alves, JA Amador, LM Andreassen, A Arendt, J Arevalo, NM Arzhanova, MM Aschan, C Azorin-Molina, V Banzon, MU Bardin, J Barichivich, MO Baringer, S Barreira, S Baxter, J Bazo, A Becker, KM Bedka, MJ Behrenfeld, GD Bell, M Belmont, A Benedetti, G Bernhard, P Berrisford, DI Berry, ML Bettolli, US Bhatt, M Bidegain, BD Bill, S Billheimer, P Bissolli, ES Blake, J Blunden, MG Bosilovich, O Boucher, D Boudet, JE Box, T Boyer, GO Braathen, DH Bromwich, R Brown, ON Bulygina, D Burgess, B Calderon, SJ Camargo, JD Campbell, J Cappelen, G Carrasco, BR Carter, DP Chambers, E Chandler, HH Christiansen, JR Christy, D Chung, ES Chung, K Cinque, KR Clem, CAS Coelho, JG Cogley, M Coldewey-Egbers, S Colwell, OR Cooper, L Copland, CE Cosca, JN Cross, MJ Crotwell, J. (Aug 2016). State of the Climate in 2015. BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY , 97(8).
  • Dlugokencky, E.J., B.D. Hall, M.J. Crotwell, S.A. Montzka, G. Dutton, J. Muhle and J.W. Elkins. (Aug 2016). Long-lived Greenhouse Gases [in 'State of the Climate in 2015']. , 97(8). 10.1175/2016bamsstateoftheclimate.1
  • Hobbs, WR, R Massom, S Stammerjohn, P Reid, G Williams and W Meier. (Aug 2016). A review of recent changes in Southern Ocean sea ice, their drivers and forcings. GLOBAL AND PLANETARY CHANGE , 143. 10.1016/j.gloplacha.2016.06.008
  • Meier W. (Apr 2016). Review of "The EUMETSAT sea ice climate record" by Tonboe et al. 10.5194/tc-2016-34-rc2
  • Bracegirdle, TJ, NAN Bertler, AM Carleton, Q Ding, CJ Fogwill, JC Fyfe, HH Hellmer, AY Karpechko, K Kusahara, E Larour, PA Mayewski, WN Meier, LM Polvani, JL Russell, SL Stevenson, J Turner, JM van Wessem, WJ van de Berg and I Wainer. (Feb 2016). A MULTIDISCIPLINARY PERSPECTIVE ON CLIMATE MODEL EVALUATION FOR ANTARCTICA. BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY , 97(2). 10.1175/BAMS-D-15-00108.1
  • Arndt, DS, J Blunden, KW Willett, AP Aaron-Morrison, SA Ackerman, JI Adamu, A Albanil, EJ Alfaro, R Allan, RB Alley, L Alvarez, LM Alves, JA Amador, LM Andreassen, J Antonov, S Applequist, A Arendt, J Arevalo, A Arguez, DS Arndt, V Banzon, J Barichivich, MO Baringer, S Barreira, S Baxter, J Bazo, A Becker, MJ Behrenfeld, GD Bell, A Benedetti, G Bernhard, P Berrisford, DI Berry, ML Bettolli, US Bhatt, M Bidegain, N Bindoff, P Bissolli, ES Blake, RC Blenman, J Blunden, NA Bond, M Bosilovich, JE Box, D Boudet, T Boyer, GO Braathen, DH Bromwich, LC Brown, R Brown, ON Bulygina, D Burgess, B Calderon, SJ Camargo, JD Campbell, J Cappelen, G Carrasco, B Carter, DP Chambers, E Chandler, F Chevallier, HH Christiansen, JR Christy, D Chung, P Ciais, KR Clem, CAS Coelho, JG Cogley, M Coldewey-Egbers, S Colwell, OR Cooper, L Copland, MF Cronin, J Crouch, SA Cunningham, SM Dav. (Jul 2015). STATE OF THE CLIMATE IN 2014. BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY , 96(7). 10.1175/2015BAMSStateoftheClimate.1
  • Gallaher D; Campbell GG; Meier W; Moses J; Wingo D. (Jun 2015). The process of bringing dark data to light: The rescue of the early Nimbus satellite data. Georesj , 6, 124-134. 10.1016/j.grj.2015.02.013
  • Posey, PG, EJ Metzger, AJ Wallcraft, DA Hebert, RA Allard, OM Smedstad, MW Phelps, F Fetterer, JS Stewart, WN Meier and SR Helfrich. (Jan 2015). Improving Arctic sea ice edge forecasts by assimilating high horizontal resolution sea ice concentration data into the US Navys ice forecast systems. CRYOSPHERE , 9(4). 10.5194/tc-9-1735-2015
  • Meier, WN, F Fetterer, JS Stewart and S Helfrich. (Jan 2015). How do sea-ice concentrations from operational data compare with passive microwave estimates? Implications for improved model evaluations and forecasting. ANNALS OF GLACIOLOGY , 56(69). 10.3189/2015AoG69A694
  • Meier, WN, GK Hovelsrud, BEH van Oort, JR Key, KM Kovacs, C Michel, C Haas, MA Granskog, S Gerland, DK Perovich, A Makshtas and JD Reist. (Sep 2014). Arctic sea ice in transformation: A review of recent observed changes and impacts on biology and human activity. REVIEWS OF GEOPHYSICS , 52(3). 10.1002/2013RG000431
  • Blunden, J, DS Arndt, AP Aaron-Morrison, SA Ackerman, A Albanil, EJ Alfaro, R Allan, LM Alves, JA Amador, P Ambenje, L Anderson, LM Andreassen, J Antonov, A Arendt, J Arevalo, DS Arndt, I Ashik, Z Atheru, J Augustine, A Baklanov, V Banzon, MO Baringer, S Barreira, D Barriopedro, S Baxter, J Bazo, A Becker, MJ Behrenfeld, GD Bell, A Benedetti, G Bernhard, P Berrisford, DI Berry, US Bhatt, M Bidegain, N Bindoff, P Bissolli, ES Blake, RC Blenman, J Blunden, M Bosilovich, JE Box, T Boyer, GO Braathen, DH Bromwich, G Brown, LC Brown, R Brown, L Bruhwiler, ON Bulygina, D Burgess, M Butler, B Calderon, SJ Camargo, GG Campbell, JD Campbell, J Cappelen, G Carrasco, DP Chambers, L Changa, PR Chappell, HH Christiansen, JR Christy, D Chung, P Ciais, KR Clem, CAS Coelho, M Coldewey-Egbers, S Colwell, OR Cooper, KA Coulibaly, C Cox, JN Cross, J Crouch, SA Cunningham, A Dahlba. (Jul 2014). STATE OF THE CLIMATE IN 2013. BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY , 95(7). 10.1175/2014BAMSStateoftheClimate.1
  • Gallaher, DW, GG Campbell and WN Meier. (Mar 2014). Anomalous Variability in Antarctic Sea Ice Extents During the 1960s With the Use of Nimbus Data. IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING , 7(3). 10.1109/JSTARS.2013.2264391
  • Meier, WN, G Peng, DJ Scott and MH Savoie. (Jan 2014). Verification of a new NOAA/NSIDC passive microwave sea-ice concentration climate record. POLAR RESEARCH , 33. 10.3402/polar.v33.21004
  • Bhatt, US, DA Walker, JE Walsh, EC Carmack, KE Frey, WN Meier, SE Moore, FJW Parmentier, E Post, VE Romanovsky and WR Simpson. (Jan 2014). Implications of Arctic Sea Ice Decline for the Earth System. ANNUAL REVIEW OF ENVIRONMENT AND RESOURCES, VOL 39 , 39. 10.1146/annurev-environ-122012-094357
  • Eisenman, I, WN Meier and JR Norris. (Jan 2014). A spurious jump in the satellite record: has Antarctic sea ice expansion been overestimated?. CRYOSPHERE , 8(4). 10.5194/tc-8-1289-2014
  • Blunden J; Arndt DS; Achberger C; Ackerman SA; Albanil A; Alexander P; Alfaro EJ; Allan R; Alves LM; Amador JA. (Aug 2013). State of the Climate in 2012. Bulletin of the American Meteorological Society , 94(8), S1-S240. 10.1175/2013BAMSStateoftheClimate.1
  • Meier, WN, D Gallaher and GG Campbell. (Jan 2013). New estimates of Arctic and Antarctic sea ice extent during September 1964 from recovered Nimbus I satellite imagery. CRYOSPHERE , 7(2). 10.5194/tc-7-699-2013
  • Peng, G, WN Meier, DJ Scott and MH Savoie. (Jan 2013). A long-term and reproducible passive microwave sea ice concentration data record for climate studies and monitoring. EARTH SYSTEM SCIENCE DATA , 5(2). 10.5194/essd-5-311-2013
  • Liverman, D, SC Moser, PS Weiland, L Dilling, MT Boykoff, HE Brown, ES Gordon, C Greene, E Holthaus, DA Niemeier, S Pincetl, WJ Steenburgh and VC Tidwell. (Jan 2013). Climate Choices for a Sustainable Southwest. ASSESSMENT OF CLIMATE CHANGE IN THE SOUTHWEST UNITED STATES: A REPORT PREPARED FOR THE NATIONAL CLIMATE ASSESSMENT. 10.5822/978-1-61091-484-0_18
  • Hunke E; Meier W. (Oct 2012). Polar boundary layer processes: Important factors for investigating biogeochemistry and climate. Eos, Transactions American Geophysical Union , 93(44), 441-442. 10.1029/2012eo440008
  • Stroeve, JC, V Kattsov, A Barrett, M Serreze, T Pavlova, M Holland and WN Meier. (Aug 2012). Trends in Arctic sea ice extent from CMIP5, CMIP3 and observations. GEOPHYSICAL RESEARCH LETTERS , 39. 10.1029/2012GL052676
  • Achberger, C, SA Ackerman, FH Ahmed, A Albanil-Encarnacion, EJ Alfaro, LM Alves, R Allan, JA Amador, P Ambenje, MD Antoine, J Antonov, J Arevalo, DS Arndt, I Ashik, Z Atheru, A Baccini, J Baez, V Banzon, MO Baringer, S Barreira, DE Barriopedro, JJ Bates, A Becker, MJ Behrenfeld, GD Bell, A Benedetti, G Bernhard, P Berrisford, DI Berry, A Beszczynska-Moeller, US Bhatt, M Bidegain, P Bieniek, C Birkett, P Bissolli, ES Blake, J Blunden, D Boudet-Rouco, JE Box, T Boyer, GO Braathen, GR Brackenridge, P Brohan, DH Bromwich, L Brown, R Brown, L Bruhwiler, ON Bulygina, J Burrows, B Calderon, SJ Camargo, J Cappellen, E Carmack, G Carrasco, DP Chambers, HH Christiansen, J Christy, D Chung, P Ciais, CAS Coehlo, S Colwell, J Comiso, JF Cretaux, J Crouch, SA Cunningham, RAM De Jeu, M Demircan, C Derksen, HJ Diamond, EJ Dlugokencky, K Dohan, AJ Dolman, WA Dorigo, DS Drozdov, C . (Jul 2012). STATE OF THE CLIMATE IN 2011 Special Supplement to the Bulletin of the American Meteorological Society Vol. 93, No. 7, July 2012. BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY , 93(7). 10.1175/2012BAMSStateoftheClimate.1
  • Perovich DK; Eicken H; Meier W. (Mar 2012). International coordination to improve studies of changes in Arctic sea ice cover. Eos, Transactions American Geophysical Union , 93(12), 128-128. 10.1029/2012eo120008
  • (Jan 2012). Sea Ice. 10.4135/9781452218564.n619
  • Meier, WN, J Stroeve, A Barrett and F Fetterer. (Jan 2012). A simple approach to providing a more consistent Arctic sea ice extent time series from the 1950s to present. CRYOSPHERE , 6(6). 10.5194/tc-6-1359-2012
  • Olsen, MS, TV Callaghan, JD Reist, LO Reiersen, D Dahl-Jensen, MA Granskog, B Goodison, GK Hovelsrud, M Johansson, R Kallenborn, J Key, A Klepikov, W Meier, JE Overland, TD Prowse, M Sharp, WF Vincent and J Walsh. (Dec 2011). The Changing Arctic Cryosphere and Likely Consequences: An Overview. AMBIO , 40. 10.1007/s13280-011-0220-y
  • Takahashi, K, KH Glassmeier, V Angelopoulos, J Bonnell, Y Nishimura, HJ Singer and CT Russell. (Nov 2011). Multisatellite observations of a giant pulsation event. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS , 116. 10.1029/2011JA016955
  • Meier, WN, SJS Khalsa and MH Savoie. (Sep 2011). Intersensor Calibration Between F-13 SSM/I and F-17 SSMIS Near-Real-Time Sea Ice Estimates. IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING , 49(9). 10.1109/TGRS.2011.2117433
  • Blunden, J, DS Arndt and MO Baringer. (Jun 2011). State of the Climate in 2010. BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY , 92(6). 10.1175/1520-0477-92.6.S1
  • Runov, A, V Angelopoulos, M Sitnov, VA Sergeev, R Nakamura, Y Nishimura, HU Frey, JP McFadden, D Larson, J Bonnell, KH Glassmeier, U Auster, M Connors, CT Russell and HJ Singer. (May 2011). Dipolarization fronts in the magnetotail plasma sheet. PLANETARY AND SPACE SCIENCE , 59(7). 10.1016/j.pss.2010.06.006
  • Stroeve, JC, J Maslanik, MC Serreze, I Rigor, W Meier and C Fowler. (Jan 2011). Sea ice response to an extreme negative phase of the Arctic Oscillation during winter 2009/2010. GEOPHYSICAL RESEARCH LETTERS , 38. 10.1029/2010GL045662
  • Niinemets, U, U Kuhn, PC Harley, M Staudt, A Arneth, A Cescatti, P Ciccioli, L Copolovici, C Geron, A Guenther, J Kesselmeier, MT Lerdau, RK Monson and J Penuelas. (Jan 2011). Estimations of isoprenoid emission capacity from enclosure studies: measurements, data processing, quality and standardized measurement protocols. BIOGEOSCIENCES , 8(8). 10.5194/bg-8-2209-2011
  • Meier, CL, J Rapp, RM Bowers, M Silman and N Fierer. (Jul 2010). Fungal growth on a common wood substrate across a tropical elevation gradient: Temperature sensitivity, community composition, and potential for above-ground decomposition. SOIL BIOLOGY & BIOCHEMISTRY , 42(7). 10.1016/j.soilbio.2010.03.005
  • Niinemets, U, RK Monson, A Arneth, P Ciccioli, J Kesselmeier, U Kuhn, SM Noe, J Penuelas and M Staudt. (Jan 2010). The leaf-level emission factor of volatile isoprenoids: caveats, model algorithms, response shapes and scaling. BIOGEOSCIENCES , 7(6). 10.5194/bg-7-1809-2010
  • Kattsov, VM, VE Ryabinin, JE Overland, MC Serreze, M Visbeck, JE Walsh, W Meier and XD Zhang. (Jan 2010). Arctic sea-ice change: a grand challenge of climate science. JOURNAL OF GLACIOLOGY , 56(200). 10.3189/002214311796406176
  • Kepko, L, E Spanswick, V Angelopoulos, E Donovan, J McFadden, KH Glassmeier, J Raeder and HJ Singer. (Dec 2009). Equatorward moving auroral signatures of a flow burst observed prior to auroral onset. GEOPHYSICAL RESEARCH LETTERS , 36. 10.1029/2009GL041476
  • Peterson, TC, MO Baringer, PW Thorne, MJ Menne, JJ Kennedy, J Christy, D Seidel, C Mears, L Haimberger, JH Wang, L Zhang, DH Levinson, KA Hilburn, MC Kruk, DA Robinson, MJ Foster, SA Ackerman, R Bennartz, AK Heidinger, BC Maddux, WB Rossow, AM Macdonald, BM Fekete, LC Bowling, RB Lammers, R Lawford, R Allan, TM Wong, PW Stackhouse, DP Kratz, AC Wilber, RC Schnell, EJ Dlugokencky, SA Montzka, JW Elkins, GS Dutton, J Haywood, N Bellouin, A Jones, M Weber, MS Pelto, AS Belward, E Bartholome, F Achard, AB Brink, N Gobron, AS Belward, JM Levy, Y Xue, RW Reynolds, GC Johnson, JM Lyman, JK Willis, S Levitus, T Boyer, J Antonov, C Schmid, GJ Goni, L Yu, RA Weller, GJ Goni, JA Knaff, GC Johnson, JM Lyman, R Lumpkin, G Goni, K Dohan, MO Baringer, CS Meinen, GC Johnson, TO Kanzow, SA Cunningham, WE Johns, LM Beal, JJM Hirschi, D Rayner, HR Longworth, HL Bryden, J Mar. (Aug 2009). State of the Climate in 2008. BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY , 90(8). 10.1175/BAMS-90-8-StateoftheClimate
  • Kubyshkina, M, V Sergeev, N Tsyganenko, V Angelopoulos, A Runov, H Singer, KH Glassmeier, HU Auster and W Baumjohann. (Apr 2009). Toward adapted time-dependent magnetospheric models: A simple approach based on tuning the standard model. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS , 114. 10.1029/2008JA013547
  • Le Contel, O, A Roux, C Jacquey, P Robert, M Berthomier, T Chust, B Grison, V Angelopoulos, D Sibeck, CC Chaston, CM Cully, B Ergun, KH Glassmeier, U Auster, J McFadden, C Carlson, D Larson, JW Bonnell, S Mende, CT Russell, E Donovan, I Mann and H Singer. (Jan 2009). Quasi-parallel whistler mode waves observed by THEMIS during near-earth dipolarizations. ANNALES GEOPHYSICAE , 27(6).
  • Runov, A, V Angelopoulos, XZ Zhou, IO Voronkov, MV Kubyshkina, R Nakamura, CW Carlson, HU Frey, J McFadden, D Larson, SB Mende, KH Glassmeier, U Auster and HJ Singer. (Dec 2008). Multipoint in situ and ground-based observations during auroral intensifications. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS , 113. 10.1029/2008JA013493
  • Lindsay, RW, R Kwok, L de Steur and W Meier. (Aug 2008). Halo of ice deformation observed over the Maud Rise seamount. GEOPHYSICAL RESEARCH LETTERS , 35(15). 10.1029/2008GL034629
  • Usanova, ME, IR Mann, IJ Rae, ZC Kale, V Angelopoulos, JW Bonnell, KH Glassmeier, HU Auster and HJ Singer. (Jul 2008). Multipoint observations of magnetospheric compression-related EMIC Pc1 waves by THEMIS and CARISMA. GEOPHYSICAL RESEARCH LETTERS , 35(17). 10.1029/2008GL034458
  • Stroeve J; Serreze M; Drobot S; Gearheard S; Holland M; Maslanik J; Meier W; Scambos T. (Jan 2008). Arctic Sea Ice Extent Plummets in 2007. Eos, Transactions American Geophysical Union , 89(2), 13-13. 10.1029/2008eo020001
  • Wisthaler, A, EC Apel, J Bossmeyer, A Hansel, W Junkermann, R Koppmann, R Meier, K Muller, SJ Solomon, R Steinbrecher, R Tillmann and T Brauers. (Jan 2008). Technical Note: Intercomparison of formaldehyde measurements at the atmosphere simulation chamber SAPHIR. ATMOSPHERIC CHEMISTRY AND PHYSICS , 8(8).
  • Kinnison, DE, GP Brasseur, S Walters, RR Garcia, DR Marsh, F Sassi, VL Harvey, CE Randall, L Emmons, JF Lamarque, P Hess, JJ Orlando, XX Tie, W Randel, LL Pan, A Gettelman, C Granier, T Diehl, U Niemeier and AJ Simmons. (Oct 2007). Sensitivity of chemical tracers to meteorological parameters in the MOZART-3 chemical transport model. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES , 112(D20). 10.1029/2006JD007879
  • Stroeve, J, MM Holland, W Meier, T Scambos and M Serreze. (May 2007). Arctic sea ice decline: Faster than forecast. GEOPHYSICAL RESEARCH LETTERS , 34(9). 10.1029/2007GL029703
  • Sergeev, V, V Semenov, M Kubyshkina, V Ivanova, W Baumjohann, R Nakamura, T Penz, A Runov, TL Zhang, KH Glassmeier, V Angelopoulos, H Frey, JA Sauvaud, P Daly, JB Cao, H Singer and E Lucek. (Jan 2007). Observation of repeated intense near-Earth reconnection on closed field lines with Cluster, Double Star, and other spacecraft. GEOPHYSICAL RESEARCH LETTERS , 34(2). 10.1029/2006GL028452
  • Barth, MC, SW Kim, C Wang, KE Pickering, LE Ott, G Stenchikov, M Leriche, S Cautenet, JP Pinty, C Barthe, C Mari, JH Helsdon, RD Farley, AM Fridlind, AS Ackerman, V Spiridonov and B Telenta. (Jan 2007). Cloud-scale model intercomparison of chemical constituent transport in deep convection. ATMOSPHERIC CHEMISTRY AND PHYSICS , 7(18). 10.5194/acp-7-4709-2007
  • Granier, C, U Niemeier, JH Jungclaus, L Emmons, P Hess, JF Lamarque, S Walters and GP Brasseur. (Jul 2006). Ozone pollution from future ship traffic in the Arctic northern passages. GEOPHYSICAL RESEARCH LETTERS , 33(13). 10.1029/2006GL026180
  • Niemeier, U, C Granier, L Kornblueh, S Walters and GP Brasseur. (May 2006). Global impact of road traffic on atmospheric chemical composition and on ozone climate forcing. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES , 111(D9). 10.1029/2005JD006407
  • Richter, A, JP Burrows, H Nuss, C Granier and U Niemeier. (Sep 2005). Increase in tropospheric nitrogen dioxide over China observed from space. NATURE , 437(7055). 10.1038/nature04092
  • Stevens, MH, RR Meier, XZ Chu, MT DeLand and JMC Plane. (Jul 2005). Antarctic mesospheric clouds formed from space shuttle exhaust. GEOPHYSICAL RESEARCH LETTERS , 32(13). 10.1029/2005GL023054
  • Meier, WN. (Jun 2005). Comparison of passive microwave ice concentration algorithm retrievals with AVHRR imagery, in Arctic peripheral seas. IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING , 43(6). 10.1109/TGRS.2005.846151
  • Kleypas, JA, RW Buddemeier, CM Eakin, JP Gattuso, J Guinotte, O Hoegh-Guldberg, R Iglesias-Prieto, PL Jokiel, C Langdon, W Skirving and AE Strong. (Apr 2005). Comment on "Coral reef calcification and climate change: The effect of ocean warming''. GEOPHYSICAL RESEARCH LETTERS , 32(8). 10.1029/2004GL022329
  • Stroeve, JC, MC Serreze, F Fetterer, T Arbetter, W Meier, J Maslanik and K Knowles. (Feb 2005). Tracking the Arctics shrinking ice cover: Another extreme September minimum in 2004. GEOPHYSICAL RESEARCH LETTERS , 32(4). 10.1029/2004GL021810
  • Van Woert, ML, CZ Zou, WN Meier, PD Hovey, RH Preller and PG Posey. (Jun 2004). Forecast verification of the Polar Ice Prediction System (PIPS) sea ice concentration fields. JOURNAL OF ATMOSPHERIC AND OCEANIC TECHNOLOGY , 21(6). 10.1175/1520-0426(2004)021<0944:FVOTPI>2.0.CO;2
  • Meier, WN and JA Maslanik. (May 2003). Effect of environmental conditions on observed, modeled, and assimilated sea ice motion errors. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS , 108(C5). 10.1029/2002JC001333
  • Pielke, Jr., R. A., J. Abraham, E. Abrams, J. Brock, R. Carbone, D. Chang, S. Cranford, K. Droegemeier, K. Emanuel, E.W. Friday, Jr., R. Gall, J. Gaynor, R.R. Getz, T. Glickman, B. Hoggatt, W.H. Hooke, E.R. Johnson, E. Kalnay, J. Kimpel, P. Kocin, B. Marler, R. Morss, R. Nathan, S. Nelson, R. Pielke Sr., M. Pirone, E. Prater, W. Qualley, K. Simmons, M. Smith, J. Thomson, and G. Wilson. (Jan 2003). Report of the U.S. Weather Research Program Workshop on The Weather Research Needs of the Private Sector. , July.
  • Van Woert, ML, WN Meier, CZ Zou, JA Beesley and PD Hovey. (Oct 2001). Satellite validation of the May 2000 sea ice concentration fields from the Polar Ice Prediction System. CANADIAN JOURNAL OF REMOTE SENSING , 27(5). 10.1080/07038992.2001.10854886
  • Meier, WN and JA Maslanik. (Jun 2001). Improved sea ice parcel trajectories in the Arctic via data assimilation. MARINE POLLUTION BULLETIN , 42(6).
  • Kopp, N, B Liedtke and W Meier. (Feb 2001). Components for structured illumination and loading control of MEMS. TECHNISCHES MESSEN , 68(2). 10.1524/teme.2001.68.2.101
  • Meier, WN and JA Maslanik. (Jan 2001). Synoptic-scale ice-motion case-studies using assimilated motion fields. ANNALS OF GLACIOLOGY, VOL 33 , 33. 10.3189/172756401781818248
  • Meier, WN, ML Van Woert and C Bertoia. (Jan 2001). Evaluation of operational SSM/I ice-concentration algorithms. ANNALS OF GLACIOLOGY, VOL 33 , 33. 10.3189/172756401781818509
  • Van Woert, ML, WN Meier, CZ Zou, A Archer, A Pellegrini, P Grigioni and C Bertola. (Jan 2001). Satellite observations of upper-ocean currents in Terra Nova Bay, Antarctica. ANNALS OF GLACIOLOGY, VOL 33 , 33. 10.3189/172756401781818879
  • Meier, WN, JA Maslanik and CW Fowler. (Feb 2000). Error analysis and assimilation of remotely sensed ice motion within an Arctic sea ice model. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS , 105(C2). 10.1029/1999JC900268
  • Meier W. (Sep 1999). Education, economics or emotions? Changes in the European chemical market. Chemie Ingenieur Technik , 71(9), 6-7.
  • Meier W. (Jul 1999). Education, economics or emotions? Changes in the European market (part 2). Chemie Ingenieur Technik , 71(7), 6-7.