Zobrazeno 1 - 10
of 13
pro vyhledávání: '"S. R. Semmer"'
Publikováno v:
Geoscientific Instrumentation, Methods and Data Systems, Vol 5, Iss 2, Pp 451-471 (2016)
The Niwot Ridge Subalpine Forest AmeriFlux site (US-NR1) has been measuring eddy-covariance ecosystem fluxes of carbon dioxide, heat, and water vapor since 1 November 1998. Throughout this 17-year period there have been changes to the instrumentation
Externí odkaz:
https://doaj.org/article/782ee51dbe274881847f63695b3f8a49
Autor:
Sicheng Wu, Joseph F. Brodie, Cristina L. Archer, Alexandra St. Pé, Ahmad Vasel-Be-Hagh, Steven P. Oncley, Ruben Delgado, S. R. Semmer
Publikováno v:
Journal of Turbulence. 20:64-92
Wind energy has been growing steadily in the U.S. and worldwide in the past decades. As wind farms are projected to increase in size and number, however, concerns are rising about possible undesira...
Autor:
Nihanth Wagmi Cherukuru, Steven P. Oncley, Petra M. Klein, Matthew E. Jeglum, Norbert Kalthoff, Jan Cermak, Bianca Adler, Roland Vogt, A. Martina Grudzielanek, Sebastian W. Hoch, Manuela Lehner, Andrea Pitacco, C. David Whiteman, Richard Rotunno, Christian Bernhofer, S. R. Semmer, Ronald Calhoun, Thomas W. Horst, Erik T. Crosman, Nils J. Fonteyne, William O. J. Brown
Publikováno v:
Bulletin of the American Meteorological Society. 97:217-235
The second Meteor Crater Experiment (METCRAX II) was conducted in October 2013 at Arizona’s Meteor Crater. The experiment was designed to investigate nighttime downslope windstorm−type flows that form regularly above the inner southwest sidewall
Autor:
Russell K. Monson, S. R. Semmer, Sean P. Burns, Steven P. Oncley, Peter D. Blanken, Gordon D. Maclean
Publikováno v:
Geoscientific Instrumentation, Methods and Data Systems, Vol 5, Iss 2, Pp 451-471 (2016)
The Niwot Ridge Subalpine Forest AmeriFlux site (US-NR1) has been measuring eddy-covariance ecosystem fluxes of carbon dioxide, heat, and water vapor since 1 November 1998. Throughout this 17-year period there have been changes to the instrumentation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::78662d58a2d780ac2a9054cf7c2b3034
https://www.geosci-instrum-method-data-syst.net/5/451/2016/
https://www.geosci-instrum-method-data-syst.net/5/451/2016/
Autor:
Stephen P. Oncley, Sean P. Burns, Johannes Ruppert, Britton B. Stephens, Anthony C. Delany, Joel Schröter, Jielun Sun, S. R. Semmer, Gordon D. Maclean
Publikováno v:
Journal of Atmospheric and Oceanic Technology. 26:291-316
The construction and deployment of a portable trace-gas measurement system (TGaMS) is described. The air-collection system (dubbed HYDRA) collects air samples from 18 different locations and was connected to either one or two LI-COR LI-7000 gas analy
Autor:
A. Hogan, Donald R. Blake, Peter H. McMurry, M. P. Buhr, Aaron L. Swanson, Douglas D. Davis, Matthew A. Lazzara, P. Grube, Heinz Bingemer, Donald C. Thornton, S. R. Semmer, Fred L. Eisele, Harald Berresheim, Manuel A. Hutterli, Simone Meinardi, Roger C. Bales, G. Chen, James H. Crawford, Donald H. Lenschow, D. Slusher, Steven P. Oncley, L. Gregory Huey, Ji Young Park, Lee Mauldin, Jack E. Dibb, Barry Lefer, Richard E. Shetter, Richard Arimoto, Joseph R. McConnell, David B. Tanner, Alan R. Bandy
Publikováno v:
Atmospheric Environment. 38:5363-5373
The Investigation of Sulfur Chemistry in the Antarctic Troposphere (ISCAT) took place over the timer period of 15 November to 31 December in the year 2000. The study location was the Amundsen Scott Station in Antarctica. ISCAT 2000 defines the second
Publikováno v:
Atmospheric Environment. 38:5389-5398
Eddy-covariance heat flux as well as temperature and NO concentration gradients were measured during the ISCAT 2000 (Investigation of Sulfur Chemistry in the Antarctic Troposphere) field study at the South Pole (SP). These quantities allowed for the
Publikováno v:
Journal of Atmospheric and Oceanic Technology. 20:348-361
Techniques for improving the relative accuracy of longwave radiation measurements by a set of pyrgeometers [the Eppley Laboratory Precision Infrared Radiometer (Model PIR)] are presented using 10 PIRs from the 1999 Cooperative Atmosphere–Surface Ex
Autor:
Anthony C. Delany, S. R. Semmer
Publikováno v:
Journal of Atmospheric and Oceanic Technology. 15:46-53
An integrated surface radiation measurement system has been developed to measure the surface radiation exchange flux. The system employs upward- and downward-looking Eppley pyrgeometers and pyranometers to separately measure four components: downwell
Autor:
S. R. Semmer, Joost A. Businger, Anthony C. Delany, C. L. Martin, Walter F. Dabberdt, Steven P. Oncley, T. W. Horst
Publikováno v:
Bulletin of the American Meteorological Society. 71:1006-1011
The Atmosphere-Surface Turbulent Exchange Research (ASTER) facility developed at the National Center for Atmospheric Research (NCAR) will support observational research on the structure of the atmospheric surface layer. ASTER will provide state-of-th