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| Author | Stukel, M.R.; Kelly, T.B. | ||||
| Title | The carbon: 234Thorium ratios of sinking particles in the California current ecosystem 2: Examination of a thorium sorption, desorption, and particle transport model | Type | $loc['typeJournal Article'] | ||
| Year | Publication | Marine Chemistry | Abbreviated Journal | Marine Chemistry | |
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| ISSN | 0304-4203 | ISBN | Medium | ||
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ user @ | Serial | 1037 | ||
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| Author | Deng, J.; Wu, Z.; Zhang, M.; Huang, N.E.; Wang, S.; Qiao, F. | ||||
| Title | Using Holo-Hilbert spectral analysis to quantify the modulation of Dansgaard-Oeschger events by obliquity | Type | $loc['typeJournal Article'] | ||
| Year | 2018 | Publication | Quaternary Science Reviews | Abbreviated Journal | Quaternary Science Reviews |
| Volume | 192 | Issue | Pages | 282-299 | |
| Keywords | Pleistocene; Paleoclimatology; Greenland; Antarctica; Data treatment; Data analysis; Dansgaard-oeschger (DO) events; Obliquity forcing; Phase preference; Holo-hilbert spectral analysis; Amplitude modulation; EMPIRICAL MODE DECOMPOSITION; GREENLAND ICE-CORE; NONSTATIONARY TIME-SERIES; ABRUPT CLIMATE-CHANGE; LAST GLACIAL PERIOD; NORTH-ATLANTIC; MILLENNIAL-SCALE; RECORDS; VARIABILITY; CYCLE | ||||
| Abstract | Astronomical forcing (obliquity and precession) has been thought to modulate Dansgaard-Oeschger (DO) events, yet the detailed quantification of such modulations has not been examined. In this study, we apply the novel Holo-Hilbert Spectral Analysis (HHSA) to five polar ice core records, quantifying astronomical forcing's time-varying amplitude modulation of DO events and identifying the preferred obliquity phases for large amplitude modulations. The unique advantages of HHSA over the widely used windowed Fourier spectral analysis for quantifying astronomical forcing's nonlinear modulations of DO events is first demonstrated with a synthetic data that closely resembles DO events recorded in Greenland ice cores (NGRIP, GRIP, and GISP2 cores on GICC05 modelext timescale). The analysis of paleoclimatic proxies show that statistically significantly more frequent DO events, with larger amplitude modulation in the Greenland region, tend to occur in the decreasing phase of obliquity, especially from its mean value to its minimum value. In the eastern Antarctic, although statistically significantly more DO events tend to occur in the decreasing obliquity phase in general, the preferred phase of obliquity for large amplitude modulation on DO events is a segment of the increasing phase near the maximum obliquity, implying that the physical mechanisms of DO events may be different for the two polar regions. Additionally, by using cross-spectrum and magnitude-squared analyses, Greenland DO mode at a timescale of about 1400 years leads the Antarctic DO mode at the same timescale by about 1000 years. (C) 2018 Elsevier Ltd. All rights reserved. | ||||
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| ISSN | 0277-3791 | ISBN | Medium | ||
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| Call Number | COAPS @ user @ | Serial | 971 | ||
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| Author | Bellow, J. G.; Nair, P. K. R.; Martin, T. A. | ||||
| Title | Tree-Crop Interactions in Fruit Tree-based Agroforestry Systems in the Western Highlands of Guatemala: Component Yields and System Performance | Type | $loc['typeBook Chapter'] | ||
| Year | 2008 | Publication | Toward Agroforestry Design. Advances in Agroforestry | Abbreviated Journal | |
| Volume | 4 | Issue | Pages | ||
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| Publisher | Springer | Place of Publication | Dordrecht | Editor | Jose, S.; Gordon, A. M. |
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| Call Number | COAPS @ mfield @ | Serial | 906 | ||
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| Author | Bellow, J., A. Mokssit, J. O'Brien, and R. Sebbari | ||||
| Title | Building national and specialised climate services | Type | $loc['typeBook Chapter'] | ||
| Year | 2008 | Publication | Seasonal Climate: Forecasting and Managing Risk | Abbreviated Journal | |
| Volume | Issue | Pages | 315-349 | ||
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| Publisher | Springer | Place of Publication | Editor | Troccoli, A.; Harrison, M.; Anderson, D. L. T.; Mason, S. | |
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| Call Number | COAPS @ mfield @ | Serial | 682 | ||
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| Author | Bhardwaj, A.; Misra, V.; Mishra, A.; Wootten, A.; Boyles, R.; Bowden, J. H.; Terando, A. J. | ||||
| Title | Downscaling future climate change projections over Puerto Rico using a non-hydrostatic atmospheric model | Type | $loc['typeJournal Article'] | ||
| Year | 2018 | Publication | Climatic Change | Abbreviated Journal | |
| Volume | 147 | Issue | 1-2 | Pages | 133-147 |
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| Call Number | COAPS @ mfield @ | Serial | 550 | ||
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| Author | Laurencin, C. N.; Misra, V. | ||||
| Title | Characterizing the Variations of the motion of the North Atlantic tropical cyclones | Type | $loc['typeJournal Article'] | ||
| Year | 2017 | Publication | Meteorology and Atmospheric Physics | Abbreviated Journal | |
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| Call Number | COAPS @ mfield @ | Serial | 555 | ||
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| Author | Glazer, R. H.; Misra, V. | ||||
| Title | Ice versus liquid water saturation in simulations of the Indian summer monsoon | Type | $loc['typeJournal Article'] | ||
| Year | 2018 | Publication | Climate Dynamics | Abbreviated Journal | |
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| Keywords | Indian monsoon; Regional modeling; Saturation vapor pressure; Cloud microphysics scheme | ||||
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| Call Number | COAPS @ mfield @ | Serial | 943 | ||
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| Author | Misra, V; Bhardwaj, A; Mishra, A | ||||
| Title | Characterizing the rainy season of Peninsular Florida | Type | $loc['typeJournal Article'] | ||
| Year | 2018 | Publication | Climate Dynamics | Abbreviated Journal | |
| Volume | 51 | Issue | 5-6 | Pages | 2157-2167 |
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| Abstract | Peninsular Florida (PF) has a very distinct wet season that can be objectively defined with onset and demise dates based on daily rainfall. The dramatic onset of rains and its retreat coincides with the seasonal cycle of the regional scale atmospheric and upper ocean circulations and upper ocean heat content of the immediate surrounding ocean. The gradual warming of the Intra-Americas Seas (IAS; includes Gulf of Mexico, Caribbean Sea and parts of northwestern subtropical Atlantic Ocean) with the seasonal evolution of the Loop Current and increased atmospheric heat flux in to the ocean eventually enhance the moisture flux into terrestrial PF around the time of the onset of the Rainy Season of PF (RSPF). Similarly, the RSPF retreats with the cooling of the IAS that coincides with the weakening of the Loop Current and reduction of the upper ocean heat content of the IAS. It is also shown that anomalous onset and demise dates of the RSPF have implications on its seasonal rainfall anomalies. | ||||
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| Call Number | COAPS @ mfield @ | Serial | 556 | ||
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| Author | Misra, V.; Bhardwaj, A.; Mishra, A. | ||||
| Title | Local onset and demise of the Indian summer monsoon | Type | $loc['typeJournal Article'] | ||
| Year | 2018 | Publication | Climate Dynamics | Abbreviated Journal | |
| Volume | 51 | Issue | 5-6 | Pages | 1609-1622 |
| Keywords | Indian monsoon; ENSO; Onset of monsoon | ||||
| Abstract | This paper introduces an objective definition of local onset and demise of the Indian summer monsoon (ISM) at the native grid of the Indian Meteorological Department's rainfall analysis based on more than 100 years of rain gauge observations. The variability of the local onset/demise of the ISM is shown to be closely associated with the All India averaged rainfall onset/demise. This association is consistent with the corresponding evolution of the slow large-scale reversals of upper air and ocean variables that raise the hope of predictability of local onset and demise of the ISM. The local onset/demise of the ISM also show robust internannual variations associated with El Nino and the Southern Oscillation and Indian Ocean dipole mode. It is also shown that the early monsoon rains over northeast India has a predictive potential for the following seasonal anomalies of rainfall and seasonal length of the monsoon over rest of India. | ||||
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| Call Number | COAPS @ mfield @ | Serial | 360 | ||
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| Author | Bhowmick, S. A.; Agarwal, N.; Ali, M. M.; Kishtawal, C. M.; Sharma, R. | ||||
| Title | Role of ocean heat content in boosting post-monsoon tropical storms over Bay of Bengal during La-Nina events | Type | $loc['typeJournal Article'] | ||
| Year | 2019 | Publication | Climate Dynamics | Abbreviated Journal | |
| Volume | 52 | Issue | 12 | Pages | 7225-7234 |
| Keywords | La-Niña; Bay of Bengal; Tropical cyclones; Ocean heat content | ||||
| Abstract | This study aims to analyze the role of ocean heat content in boosting the post-monsoon cyclonic activities over Bay of Bengal during La-Niña events. In strong La-Niña years, accumulated cyclone energy in Bay of Bengal is much more as compared to any other year. It is observed that during late June to October of moderate to strong La-Nina years, western Pacific is warmer. Sea surface temperature anomaly of western Pacific Ocean clearly indicates the presence of relatively warmer water mass in the channel connecting the Indian Ocean and Pacific Ocean, situated above Australia. Ocean currents transport the heat zonally from Pacific to South eastern Indian Ocean. Excess heat of the southern Indian Ocean is eventually transported to eastern equatorial Indian Ocean through strong geostrophic component of ocean current. By September the northward transport of this excess heat from eastern equatorial Indian Ocean to Bay of Bengal takes place during La-Nina years boosting the cyclonic activities thereafter. | ||||
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| Call Number | COAPS @ mfield @ | Serial | 71 | ||
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