Zobrazeno 1 - 10
of 305
pro vyhledávání: '"R, Beaver"'
Autor:
Bridget R. Deemer, Caitlin M. Andrews, Kristin E. Strock, Nicholas Voichick, James Hensleigh, John R. Beaver, Robert Radtke
Publikováno v:
Limnology and Oceanography Letters, Vol 8, Iss 4, Pp 580-594 (2023)
Abstract Lake Powell is a large water storage reservoir in the arid southwestern United States. Here, we present a 58‐yr limnology dataset that captures water quality parameters from reservoir filling to present day (temperature, salinity, major io
Externí odkaz:
https://doaj.org/article/715f70bf048d4614a0ebf739a0dc2930
Autor:
Christopher D. Arp, Matthew S. Whitman, Benjamin M. Jones, D. A. Nigro, Vladimir A. Alexeev, Anne Gädeke, Stacey Fritz, Ronald Daanen, Anna K. Liljedahl, F. J. Adams, Benjamin V. Gaglioti, Guido Grosse, Kurt C. Heim, John R. Beaver, Lei Cai, Melanie Engram, Hannah R. Uher-Koch
Publikováno v:
Arctic, Antarctic, and Alpine Research, Vol 51, Iss 1, Pp 9-23 (2019)
Vast mosaics of lakes, wetlands, and rivers on the Arctic Coastal Plain give the impression of water surplus. Yet long winters lock freshwater resources in ice, limiting freshwater habitats and water supply for human uses. Increasingly the petroleum
Externí odkaz:
https://doaj.org/article/b490cbcdef15432e9bd0619e5700a9fc
Autor:
John R. Beaver, Christopher D. Arp, Claudia E. Tausz, Benjamin M. Jones, Matthew S. Whitman, Thomas R. Renicker, Erin E. Samples, David M. Ordosch, Kyle C. Scotese
Publikováno v:
Arctic, Antarctic, and Alpine Research, Vol 51, Iss 1, Pp 327-345 (2019)
Changing Arctic climate may alter freshwater ecosystems as a result of warmer surface waters, longer open-water periods, reduced wintertime lake ice growth, and altered hydrologic connectivity. This study aims to characterize zooplankton community co
Externí odkaz:
https://doaj.org/article/1250dec803c54fb9829beea86aebdb7a
Publikováno v:
Geoscientific Model Development, Vol 9, Iss 6, Pp 2191-2207 (2016)
Biogenic volatile organic compounds (BVOC) participate in reactions that can lead to secondarily formed ozone and particulate matter (PM) impacting air quality and climate. BVOC emissions are important inputs to chemical transport models applied on l
Externí odkaz:
https://doaj.org/article/7f8ce2a14dd74b8aaa73d9a093d3843c
Autor:
C. R. Nowlan, X. Liu, J. W. Leitch, K. Chance, G. González Abad, C. Liu, P. Zoogman, J. Cole, T. Delker, W. Good, F. Murcray, L. Ruppert, D. Soo, M. B. Follette-Cook, S. J. Janz, M. G. Kowalewski, C. P. Loughner, K. E. Pickering, J. R. Herman, M. R. Beaver, R. W. Long, J. J. Szykman, L. M. Judd, P. Kelley, W. T. Luke, X. Ren, J. A. Al-Saadi
Publikováno v:
Atmospheric Measurement Techniques, Vol 9, Iss 6, Pp 2647-2668 (2016)
The Geostationary Trace gas and Aerosol Sensor Optimization (GeoTASO) airborne instrument is a test bed for upcoming air quality satellite instruments that will measure backscattered ultraviolet, visible and near-infrared light from geostationary orb
Externí odkaz:
https://doaj.org/article/8a8d763da96b414bb82502749281a2c7
Autor:
Bridget R. Deemer, Caitlin M. Andrews, Kristin E. Strock, Nicholas Voichick, James Hensleigh, John R. Beaver, Robert Radtke
Publikováno v:
Limnology and Oceanography Letters.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::645af2c0f47d95c97e3ff227f0fbf3a8
https://doi.org/10.1002/lol2.10310
https://doi.org/10.1002/lol2.10310
Autor:
K. R. Baker, A. G. Carlton, T. E. Kleindienst, J. H. Offenberg, M. R. Beaver, D. R. Gentner, A. H. Goldstein, P. L. Hayes, J. L. Jimenez, J. B. Gilman, J. A. de Gouw, M. C. Woody, H. O. T. Pye, J. T. Kelly, M. Lewandowski, M. Jaoui, P. S. Stevens, W. H. Brune, Y.-H. Lin, C. L. Rubitschun, J. D. Surratt
Publikováno v:
Atmospheric Chemistry and Physics, Vol 15, Iss 9, Pp 5243-5258 (2015)
Co-located measurements of fine particulate matter (PM2.5) organic carbon (OC), elemental carbon, radiocarbon (14C), speciated volatile organic compounds (VOCs), and OH radicals during the CalNex field campaign provide a unique opportunity to evaluat
Externí odkaz:
https://doaj.org/article/a84009880a514dec8b562ac21ec6ac4c
Autor:
D. R. Gentner, T. B. Ford, A. Guha, K. Boulanger, J. Brioude, W. M. Angevine, J. A. de Gouw, C. Warneke, J. B. Gilman, T. B. Ryerson, J. Peischl, S. Meinardi, D. R. Blake, E. Atlas, W. A. Lonneman, T. E. Kleindienst, M. R. Beaver, J. M. St. Clair, P. O. Wennberg, T. C. VandenBoer, M. Z. Markovic, J. G. Murphy, R. A. Harley, A. H. Goldstein
Publikováno v:
Atmospheric Chemistry and Physics, Vol 14, Iss 10, Pp 4955-4978 (2014)
Petroleum and dairy operations are prominent sources of gas-phase organic compounds in California's San Joaquin Valley. It is essential to understand the emissions and air quality impacts of these relatively understudied sources, especially for oil/g
Externí odkaz:
https://doaj.org/article/af72c16cac954a0fa3417aab157976c0
Autor:
S. E. Pusede, D. R. Gentner, P. J. Wooldridge, E. C. Browne, A. W. Rollins, K.-E. Min, A. R. Russell, J. Thomas, L. Zhang, W. H. Brune, S. B. Henry, J. P. DiGangi, F. N. Keutsch, S. A. Harrold, J. A. Thornton, M. R. Beaver, J. M. St. Clair, P. O. Wennberg, J. Sanders, X. Ren, T. C. VandenBoer, M. Z. Markovic, A. Guha, R. Weber, A. H. Goldstein, R. C. Cohen
Publikováno v:
Atmospheric Chemistry and Physics, Vol 14, Iss 7, Pp 3373-3395 (2014)
The San Joaquin Valley (SJV) experiences some of the worst ozone air quality in the US, frequently exceeding the California 8 h standard of 70.4 ppb. To improve our understanding of trends in the number of ozone violations in the SJV, we analyze obse
Externí odkaz:
https://doaj.org/article/7bbdc70b6561480a9fd13287e6fe8323
Publikováno v:
Atmospheric Chemistry and Physics, Vol 14, Iss 8, Pp 4251-4262 (2014)
Chemical ionization mass spectrometry (CIMS) enables online, rapid, in situ detection and quantification of hydroxyacetone and glycolaldehyde. Two different CIMS approaches are demonstrated employing the strengths of single quadrupole mass spectromet
Externí odkaz:
https://doaj.org/article/f4afbda08e5e4753af709fefa1db5d3f