Search Results - "Jenkins, Gregory S."

Verification of operational numerical weather prediction model forecasts of precipitation using satellite rainfall estimates over Africa by Wang, Yan, Gueye, Moussa, Greybush, Steven J., Greatrex, Helen, Whalen, Andrew J., Ssentongo, Paddy, Zhang, Fuqing, Jenkins, Gregory S., Schiff, Steven J.

“…Rainfall is an important variable to be able to monitor and forecast across Africa, due to its impact on agriculture, food security, climate‐related diseases…”
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Possible linkages between Saharan dust and tropical cyclone rain band invigoration in the eastern Atlantic during NAMMA-06 by Jenkins, Gregory S., Pratt, Aaron S., Heymsfield, Andrew

“…The Saharan Air Layer (SAL) is a dominant feature that influences the large‐scale environment from West Africa to the western tropical North Atlantic. While…”
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Saharan dust, lightning and tropical cyclones in the eastern tropical Atlantic during NAMMA-06 by Jenkins, Gregory S., Pratt, Aaron

“…During the summer of 2006, the downstream component of African Monsoon Multidisciplinary Analyses Campaign (NASA‐AMMA (NAMMA)) examined African Easterly Waves…”
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WRF 1960–2014 Winter Season Simulations of Particulate Matter in the Sahel: Implications for Air Quality and Respiratory Health by Jenkins, Gregory S., Gueye, Moussa

“…We use the Weather Research and Forecast model using the Goddard Global Ozone Chemistry Aerosol Radiation and Transport (GOCART) dust module (WRF‐CHEM) to…”
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Estimating zonal Ekman transport along coastal Senegal during passage of Hurricane Fred, 30–31 August 2015 by Dieng, Abdou Lahat, Ndoye, Siny, Jenkins, Gregory S., Sall, Saïdou M., Gaye, Amadou T.

“…We examine the role of zonal Ekman transport along the coast of Senegal on 30 August 2015 when the tropical disturbance associated with Tropical Cyclone Fred…”
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Observed and Modeled Seasonal Air Quality and Respiratory Health in Senegal During 2015 and 2016 by Toure, Nafissatou Oumar, Gueye, Ndeye Ramatoulaye Diagne, Mbow‐Diokhane, Aminata, Jenkins, Gregory S., Li, Maggie, Drame, Mamadou S., Coker, Karen Adjoa Ronke, Thiam, Khady

“…In this work, we use existing particulate matter (PM) data from Dakar, Senegal, satellite aerosol optical depth (AOD) and the Weather Research and Forecasting…”
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Characterization of Bacteria on Aerosols From Dust Events in Dakar, Senegal, West Africa by Marone, Alioune, Kane, Coumba Touré, Mbengue, Malick, Jenkins, Gregory S., Niang, Demba Ndao, Drame, Mamadou Simina, Gernand, Jeremy M.

“…We identify bacteria types on collected dust samples in Dakar Senegal, a region that experiences frequent Saharan dust events. We use classical techniques to…”
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Late 20th century attribution of drying trends in the Sahel from the Regional Climate Model (RegCM3) by Jenkins, Gregory S., Gaye, Amadou T., Sylla, Bamba

“…The RegCM3 has been integrated for the period of 1960–2002 using initial and lateral boundary conditions from the NCEP re‐analyses at 6‐hour intervals…”
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Sensitive room-temperature terahertz detection via the photothermoelectric effect in graphene by Cai, Xinghan, Sushkov, Andrei B., Suess, Ryan J., Jadidi, Mohammad M., Jenkins, Gregory S., Nyakiti, Luke O., Myers-Ward, Rachael L., Li, Shanshan, Yan, Jun, Gaskill, D. Kurt, Murphy, Thomas E., Drew, H. Dennis, Fuhrer, Michael S.

“…Hot-electron effects in graphene can be used to detect terahertz radiation at room temperature with high sensitivity, low noise-equivalent power and a fast…”
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Observational evidence of enhanced middle/upper tropospheric ozone via convective processes over the equatorial tropical Atlantic during the summer of 2006 by Jenkins, Gregory S., Camara, Moctar, Ndiaye, Seydi A.

“…Biomass burning in Central Africa or lightning in West Africa may serve as mechanisms to enhance tropospheric ozone (O3) during Northern Hemisphere summer…”
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Evaluating the National Center for Atmospheric Research climate system model over West Africa: Present-day and the 21st century A1 scenario by Kamga, Andre F., Jenkins, Gregory S., Gaye, Amadou T., Garba, Adamou, Sarr, A., Adedoyin, A.

“…We present an analysis of observed and simulated June–July–August (JJA) West African climate during the last 2 decades of the 20th and 21st centuries. The…”
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Linkages between observed, modeled Saharan dust loading and meningitis in Senegal during 2012 and 2013 by Diokhane, Aminata Mbow, Jenkins, Gregory S, Manga, Noel, Drame, Mamadou S, Mbodji, Boubacar

“…The Sahara desert transports large quantities of dust over the Sahelian region during the Northern Hemisphere winter and spring seasons (December–April). In…”
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Elevated middle and upper troposphere ozone observed downstream of Atlantic tropical cyclones by Jenkins, Gregory S., Robjhon, Miliaritiana L., Reyes, Ashford, Valentine, Adriel, Neves, Luis

“…During the peak period of hurricane activity in the summer of 2010, vertical profiles of ozone using ozonesondes were taken downstream of tropical cyclones in…”
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Advances in Climate Processes, Feedbacks, Variability and Change for the West African Climate System by Jenkins, Gregory S., Giannini, Alessandra, Gaye, Amadou, Sealy, Andrea

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GCM simulations of snowball earth conditions during the Late Proterozoic by Jenkins, Gregory S., Smith, Steven R.

“…In order to simulate the Snowball Earth conditions that may have existed during the late Proterozoic we have conducted a series of GCM simulations using a…”
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Temporal Relationships Between Saharan Dust Proxies, Climate, and Meningitis in Senegal by Yarber, Aara’L. Y., Jenkins, Gregory S., Singh, Ajit, Diokhane, Aminata

“…The Harmattan, a dry, northeasterly trade wind, transports large quantities of Saharan dust over the Sahelian region during the dry season (December–March)…”
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Observations and simulation of a Saharan air layer event with a midtropospheric dust layer at Dakar, Senegal, 6-7 July 2010 by Drame, Mamadou, Jenkins, Gregory S., Camara, Moctar, Robjhon, Miliaritiana

“…On 3 July 2010 a large dust event was initiated over the Saharan Desert in Southern Algeria with the westward movement of an intensifying thermal low…”
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The influence of the SAL and lightning on tropospheric ozone variability over the Northern Tropical Atlantic: Results from Cape Verde during 2010 by Jenkins, Gregory S., Robjhon, Miliaritiana L., Smith, Jonathan W., Clark, Jonathan, Mendes, Luis

“…We present results for multiple Saharan Air Layer (SAL) events and their relationship to tropospheric ozone mixing ratios that were observed in the Eastern…”
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HURRICANE FRED (2015): Cape Verde’s First Hurricane in Modern Times: Observations, Impacts, and Lessons Learned by Jenkins, Gregory S., Brito, Ester, Soares, Emanuel, Chiao, Sen, Lima, Jose Pimenta, Tavares, Benvendo, Cardoso, Angelo, Evora, Francisco, Monteiro, Maria

“…During 31 August 2015, Hurricane Fred traversed through the Cape Verde islands, passing near Boa Vista and possibly making landfall over São Nicolau during the…”
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WRF-Chem model estimates of equatorial Atlantic Ocean tropospheric ozone increases via June 2006 African biomass burning ozone precursor transport by Smith, Jonathan W., Jenkins, Gregory S., Pickering, Kenneth E.

“…Long-range horizontal and local vertical transport of biomass burning ozone precursors (i.e. carbon monoxide and nitrogen oxides) from Central Africa are…”
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