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Author Kranz, S.A. ; Wang, S. ; Kelly, T.B. ; Stukel, M.R. ; Goericke, R. ; Landry, M.R. ; Cassar, N.
Title Lagrangian Studies of Marine Production: A Multimethod Assessment of Productivity Relationships in the California Current Ecosystem Upwelling Region Type $loc['typeJournal Article']
Year 2020 Publication Journal of Geophysical Research: Oceans Abbreviated Journal J. Geophys. Res. Oceans
Volume 125
Issue 6
Pages
Keywords gross primary production ; long‐ ; term ecological research ; equilibrium inlet mass spectrometry ; carbon export ; net community production
Abstract A multimethod process‐oriented investigation of diverse productivity measures in the California Current Ecosystem (CCE) Long‐Term Ecological Research study region, a complex physical environment, is presented. Seven multiday deployments covering a transition region from high to low productivity were conducted over two field expeditions (spring 2016 and summer 2017). Employing a Lagrangian study design, water parcels were followed over several days, comparing 24‐h in situ measurements (14C and 15NO3 ‐uptake, dilution estimates of phytoplankton growth, and microzooplankton grazing) with high‐resolution productivity measurements by fast repetition rate fluorometry (FRRF) and equilibrium inlet mass spectrometry (EIMS), and integrated carbon export measuremnts using sediment traps. Results show the importance of accounting for temporal and fine spatial scale variability when estimating ecosystem production. FRRF and EIMS measurements resolved diel patterns in gross primary and net community production. Diel productivity changes agreed well with comparably more traditional measurements. While differences in productivity metrics calculated over different time intervals were considerable, as those methods rely on different base assumptions, the data can be used to explain ecosystem processes which would otherwise have gone unnoticed. The processes resolved from this method comparison further understanding of temporal and spatial coupling and decoupling of surface productivity and potential carbon burial in a gradient from coastal to offshore ecosystems.
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ISSN 2169-9275
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Funding Approved $loc['no']
Call Number COAPS @ user @
Serial 1113
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Author Kreitner, E. ; O'Brien, J. J.
Title Front Range Flash Flooding and El Nino Type $loc['typeReport']
Year 2000 Publication Abbreviated Journal
Volume Issue Pages
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Series Editor Series Title COAPS Technical Report 00-2, 44 pp., Center for Ocean-Atmospheric Prediction Studies, Florida State University, Tallahassee, FL, 32306-2840
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Call Number COAPS @ mfield @
Serial 795
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Author Krishnamurti, T. N. ; Karmakar, Nirupam ; Misra, Vasubandhu ; Nag, Bappaditya ; Sahu, Dipak ; Dubey, Sarvesh ; Haddad, Ziad
Title Association between upper level diffluence in the Tropical Easterly Jet and the formation of the strongest Atlantic hurricanes in recent years Type $loc['typeJournal Article']
Year 2018 Publication Proceedings of SPIE Abbreviated Journal SPIE
Volume 10782
Issue Pages 10
Keywords
Abstract In this paper we report the evidence of the potential role of diffluence in the 200hPa wind field off the coast of West Africa in the formation of a significant number of Category 4 and Category 5 hurricanes in the recent decade. It is shown that more than 80% cases of hurricanes at Category 4 and above is preceded by upper level diffluence in the Tropical Easterly Jet (TEJ) by 0{5 days. This TEJ is the outflow from the southern flank of the Tibetan anticyclone from the Asian monsoon region.
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Call Number COAPS @ rl18 @
Serial 1000
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Author Krishnamurti, T.N. ; Kishtawal, C. ; LaRow, T. E. ; Bachiochi, D. ; Zhang, Z. ; Williford, C. ; Gadgil, S. ; Surendran, S.
Title Improved Skill for Weather and Seasonal Climate Forecasts from Multi-Model Super Ensemble Type $loc['typeJournal Article']
Year 1999 Publication Science Abbreviated Journal
Volume 285
Issue 5433
Pages 1548-1550
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Call Number COAPS @ mfield @
Serial 781
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Author Krishnamurti, T.N. ; Kishtawal, C.M. ; Shin, D.W. ; Williford, C.E.
Title Improving Tropical Precipitation Forecasts from a Multianalysis Superensemble Type $loc['typeJournal Article']
Year 2000 Publication Journal of Climate Abbreviated Journal J. Climate
Volume 13
Issue 23
Pages 4217-4227
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ISSN 0894-8755
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Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 791
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Author Krishnamurti, T.N. ; Rajendran, K. ; Vijaya Kumar, T.S.V. ; Lord, S. ; Toth, Z. ; Zou, X. ; Cocke, S. ; Ahlquist, J.E. ; Navon, I.M.
Title Improved Skill for the Anomaly Correlation of Geopotential Heights at 500 hPa Type $loc['typeJournal Article']
Year 2003 Publication Monthly Weather Review Abbreviated Journal Mon. Wea. Rev.
Volume 131
Issue 6
Pages 1082-1102
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ISSN 0027-0644
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Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 842
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Author Krishnamurti, T.N. ; Surendran, S. ; Shin, D.W. ; Correa-Torres, R.J. ; Vijaya Kumar, T.S.V. ; Williford, E. ; Kummerow, C. ; Adler, R.F. ; Simpson, J. ; Kakar, R. ; Olson, W.S. ; Turk, F.J.
Title Real-Time Multianalysis-Multimodel Superensemble Forecasts of Precipitation Using TRMM and SSM/I Products Type $loc['typeJournal Article']
Year 2001 Publication Monthly Weather Review Abbreviated Journal Mon. Wea. Rev.
Volume 129
Issue 12
Pages 2861-2883
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ISSN 0027-0644
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Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 808
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Author Kulkarni, S. C. ; Legler, D. M. ; O'Brien, J. J.
Title Variability of Surface Wind Convergence Estimated from ERS-1 and ERS-2 Scatterometer Winds Over the Indian Ocean Type $loc['typeReport']
Year 1998 Publication Abbreviated Journal
Volume Issue Pages 41
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Publisher Center for Ocean-Atmospheric Prediction Studies, Florida State University
Place of Publication Tallahassee, FL
Editor
Language Summary Language Original Title
Series Editor Series Title COAPS Technical Report 98-1
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Call Number COAPS @ mfield @
Serial 737
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Author Kumar, V. ; Jana, S. ; Bhardwaj, A. ; Deepa, R. ; Sahu, S.K. ; Pradhan, P.K. ; Sirdas, S.A.
Title Greenhouse Gas Emission, Rainfall and Crop Production Over North-Western India Type $loc['typeJournal Article']
Year 2018 Publication The Open Ecology Journal Abbreviated Journal
Volume 11
Issue 1
Pages 47-61
Keywords
Abstract Background: This study is based on datasets acquired from multi sources e.g. rain-gauges, satellite, reanalysis and coupled model for the region of Northwestern India. The influence of rainfall on crop production is obvious and direct. With the climate change and global warming, greenhouse gases are also showing an adverse impact on crop production. Greenhouse gases (e.g. CO2, NO2 and CH4) have shown an increasing trend over Northwestern Indian region. In recent years, rainfall has also shown an increasing trend over Northwestern India, while the production of rice and maize are reducing over the region. From eight selected sites, over Northwestern India, where rice and maize productions have reduced by 40%, with an increase in CO2, NO2 and CH4 gas emission by 5% from 1998 to 2011. Results: The correlation from one year to another between rainfall, gas emission and crop production was not very robust throughout the study period, but seemed to be stronger for some years than others. Conclusion: Such trends and crop yield are attributed to rainfall, greenhouse gas emissions and to the climate variability.
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ISSN 1874-2130
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Funding Approved $loc['no']
Call Number COAPS @ user @
Serial 1024
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Author Kumar, V. ; Jana, S. ; Bhardwaj, A. ; Deepa, R. ; Sahu, S.K. ; Pradhan, P.K. ; Sirdas, S.A.
Title Greenhouse Gas Emission, Rainfall and Crop Production Over North-Western India Type $loc['typeJournal Article']
Year 2018 Publication The Open Ecology Journal Abbreviated Journal TOECOLJ
Volume 11
Issue 1
Pages 47-61
Keywords Greenhouse gases, CH4, Climate Variability, Emissions, Crop production, Rainfall.
Abstract Background:
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Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1874-2130
ISBN Medium
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Funding Approved $loc['no']
Call Number COAPS @ user @
Serial 1017
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