Search Results - "Charette, Matthew"

Groundwater dynamics in subterranean estuaries of coastal unconfined aquifers: Controls on submarine groundwater discharge and chemical inputs to the ocean by Robinson, Clare E., Xin, Pei, Santos, Isaac R., Charette, Matthew A., Li, Ling, Barry, D.A.

“…•Driving forces on flow and transport, and chemical behavior in subterranean estuaries reviewed.•Need for better understanding of interactions between physical…”
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Nutrient release to oceans from buoyancy-driven upwelling at Greenland tidewater glaciers by Cape, Mattias R., Straneo, Fiammetta, Beaird, Nicholas, Bundy, Randelle M., Charette, Matthew A.

“…The discharge of nutrient-rich meltwater from the Greenland Ice Sheet has emerged as a potentially important contributor to regional marine primary production…”
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Hydrologic Controls on Nutrient Cycling in an Unconfined Coastal Aquifer by Gonneea, Meagan Eagle, Charette, Matthew A

“…Groundwater is an important pathway for terrestrially derived nutrients to enter the coastal ocean. In coastal aquifers, groundwater transits the subterranean…”
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Unexpected source of Fukushima-derived radiocesium to the coastal ocean of Japan by Sanial, Virginie, Buesseler, Ken O., Charette, Matthew A., Nagao, Seiya

“…There are 440 operational nuclear reactors in the world, with approximately one-half situated along the coastline. This includes the Fukushima Dai-ichi Nuclear…”
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Does submarine groundwater discharge contribute to summer hypoxia in the Changjiang (Yangtze) River Estuary? by Guo, Xiaoyi, Xu, Bochao, Burnett, William C., Wei, Qinsheng, Nan, Haiming, Zhao, Shibin, Charette, Matthew A., Lian, Ergang, Chen, Guangquan, Yu, Zhigang

“…The Changjiang (Yangtze) River Estuary (CJE) is one of the largest and most intense seasonal hypoxic zones in the world. Here we examine the possibility that…”
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Reviews and syntheses: The biogeochemical cycle of silicon in the modern ocean by Tréguer, Paul J, Sutton, Jill N, Brzezinski, Mark, Charette, Matthew A, Devries, Timothy, Dutkiewicz, Stephanie, Ehlert, Claudia, Hawkings, Jon, Leynaert, Aude, Liu, Su Mei, Llopis Monferrer, Natalia, López-Acosta, María, Maldonado, Manuel, Rahman, Shaily, Ran, Lihua, Rouxel, Olivier

“…The element silicon (Si) is required for the growth of silicified organisms in marine environments, such as diatoms. These organisms consume vast amounts of Si…”
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Global estimate of submarine groundwater discharge based on an observationally constrained radium isotope model by Kwon, Eun Young, Kim, Guebuem, Primeau, Francois, Moore, Willard S., Cho, Hyung-Mi, DeVries, Timothy, Sarmiento, Jorge L., Charette, Matthew A., Cho, Yang-Ki

“…Along the continental margins, rivers and submarine groundwater supply nutrients, trace elements, and radionuclides to the coastal ocean, supporting coastal…”
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Groundwater discharge impacts marine isotope budgets of Li, Mg, Ca, Sr, and Ba by Mayfield, Kimberley K., Eisenhauer, Anton, Santiago Ramos, Danielle P., Higgins, John A., Horner, Tristan J., Auro, Maureen, Magna, Tomas, Moosdorf, Nils, Charette, Matthew A., Gonneea, Meagan Eagle, Brady, Carolyn E., Komar, Nemanja, Peucker-Ehrenbrink, Bernhard, Paytan, Adina

“…Groundwater-derived solute fluxes to the ocean have long been assumed static and subordinate to riverine fluxes, if not neglected entirely, in marine isotope…”
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Greenland meltwater as a significant and potentially bioavailable source of iron to the ocean by Bhatia, Maya P., Kujawinski, Elizabeth B., Das, Sarah B., Breier, Crystaline F., Henderson, Paul B., Charette, Matthew A.

“…The micronutrient iron is thought to limit primary production in large regions of the global ocean. Meltwater measurements suggest that the Greenland ice sheet…”
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An inverse relationship between production and export efficiency in the Southern Ocean by Maiti, Kanchan, Charette, Matthew A., Buesseler, Ken O., Kahru, Mati

“…In the past two decades, a number of studies have been carried out in the Southern Ocean to look at export production using drifting sediment traps and…”
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Cryospheric science: Muddying Greenland's meltwaters by Charette, Matthew A

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Climate-driven sea level anomalies modulate coastal groundwater dynamics and discharge by Gonneea, Meagan Eagle, Mulligan, Ann E., Charette, Matthew A.

“…To better understand the physical drivers of submarine groundwater discharge (SGD) in the coastal ocean, we conducted a detailed field and modeling study…”
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Comparison of methods to determine extraction efficiencies of Ra isotopes and 227Ac from large volume seawater samples by Léon, Morgane, van Beek, Pieter, Sanial, Virginie, Souhaut, Marc, Henderson, Paul, Charette, Matthew A.

“…Radium isotopes, other than 226Ra, and 227Ac are typically present at low activities in the open ocean. The analysis of these isotopes thus requires the…”
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Seasonal cycles in radium and barium within a subterranean estuary: Implications for groundwater derived chemical fluxes to surface waters by Gonneea, Meagan Eagle, Mulligan, Ann E., Charette, Matthew A.

“…There is increasing evidence that submarine groundwater discharge (SGD) is an important source of water and dissolved materials to the ocean. One of the…”
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Controls on Dissolved Barium and Radium‐226 Distributions in the Pacific Ocean Along GEOTRACES GP15 by Le Roy, Emilie, Charette, Matthew A., Henderson, Paul B., Shiller, Alan M., Moore, Willard S., Kemnitz, Nathaniel, Hammond, Douglas E., Horner, Tristan J.

“…Radium‐226(226Ra) and barium (Ba) exhibit similar chemical behaviors and distributions in the marine environment, serving as valuable tracers of water masses,…”
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Hydrologic Forcing of Submarine Groundwater Discharge: Insight from a Seasonal Study of Radium Isotopes in a Groundwater-dominated Salt Marsh Estuary by Charette, Matthew A.

“…A seasonal study of radium-derived submarine groundwater discharge (SGD) and associated nitrogen fluxes was carried out in a salt marsh estuary between 2001…”
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Radium isotope distributions during the US GEOTRACES North Atlantic cruises by Charette, Matthew A., Morris, Paul J., Henderson, Paul B., Moore, Willard S.

“…Radium isotopes are produced in sediments via the decay of thorium isotopes and are generally soluble in seawater. As such, isotopes of the radium quartet…”
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Effect of submarine groundwater discharge on the coastal ocean inorganic carbon cycle by Liu, Qian, Charette, Matthew A., Henderson, Paul B., McCorkle, Daniel C., Martin, William, Dai, Minhan

“…Using radium (Ra) isotopes, we estimate that the average submarine groundwater discharge (SGD) flux (marine plus terrestrial groundwater) into the southwest…”
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Lingering radioactivity at the Bikini and Enewetak Atolls by Buesseler, Ken O., Charette, Matthew A., Pike, Steven M., Henderson, Paul B., Kipp, Lauren E.

“…•Both 239,240Pu and 137Cs remain elevated today at Bikini and Enewetak Atolls.•These sites remain a small long term source of Pu and Cs to the North…”
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Organic carbon export from the Greenland ice sheet by Bhatia, Maya P., Das, Sarah B., Xu, Li, Charette, Matthew A., Wadham, Jemma L., Kujawinski, Elizabeth B.

“…Glacial meltwater exports a unique type of organic carbon to marine systems, distinct from non-glacially derived riverine export, potentially capable of…”
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