Search Results - "RISK, Michael J"

Oxybenzone contamination from sunscreen pollution and its ecological threat to Hanauma Bay, Oahu, Hawaii, U.S.A by Downs, C.A., Bishop, Elizabeth, Diaz-Cruz, M. Silvia, Haghshenas, S. Abbas, Stien, Didier, Rodrigues, Alice M.S., Woodley, Cheryl M., Sunyer-Caldú, Adrià, Doust, Shadan Nasseri, Espero, William, Ward, Gene, Farhangmehr, Aref, Tabatabaee Samimi, S. Maryam, Risk, Michael J., Lebaron, Philippe, DiNardo, Joseph C.

“…Hanauma Bay is a 101-acre bay created by the partial collapse of a volcanic cone and once supported a vibrant coral reef system. It is the most popular…”
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A numerical model of trace-element coprecipitation in a physicochemical calcification system: Application to coral biomineralization and trace-element ‘vital effects’ by Sinclair, Daniel J., Risk, Michael J.

“…A mixed equilibrium/kinetic steady-state numerical model of coral calcification has been developed to test whether a physicochemical calcification mechanism is…”
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Assessing the effects of sediments and nutrients on coral reefs by Risk, Michael J

“…•Sediment and sewage pollution now threaten the survival of many of the world's reefs.•Better understanding of watersheds means better management of sediment…”
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Occurrence and source of PAHs in Miankaleh International Wetland in Iran by Rokhbar, Mahsa, Keshavarzi, Behnam, Moore, Farid, Zarei, Mehdi, Hooda, Peter S., Risk, Michael J.

“…We examined the occurrence and sources of 16 priority PAHs in the water and sediment samples of the Miankaleh Wetland (Coastal Biosphere Reserve), famous for…”
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Normal Coral Growth Rates on Dying Reefs: Are Coral Growth Rates Good Indicators of Reef Health? by Edinger, Evan N, Limmon, Gino V, Jompa, Jamaluddin, Widjatmoko, Wisnu, Heikoop, Jeffrey M, Risk, Michael J

“…Massive coral growth rates may be poor indicators of coral reef health where coral reefs are subject to combined eutrophication and sedimentation. Massive…”
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Fine-scale geographic risk assessment of oxybenzone sunscreen pollution within Hanauma Bay using hydrodynamic characterization and modeling by Doust, Shadan Nasseri, Haghshenas, S. Abbas, Bishop, Elizabeth E., Risk, Michael J., Downs, C.A.

“…Hanauma Bay's coral reef system is threatened by sunscreen pollution. Understanding the hydrodynamic nature of the bay is crucial for understanding the…”
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Potential impact of the 2023 Lahaina wildfire on the marine environment: Modeling the transport of ash-laden benzo[a]pyrene and pentachlorophenol by Downs, C.A., Doust, Shadan Nasseri, Haghshenas, S. Abbas, Woodley, Cheryl M., Shirzad, Behzad, McDonald, E. Murphy, Nazarpour, Ahad, Farhangmehr, Aref, Zhao, Hongwei, Bishop, Elizabeth E., Risk, Michael J.

“…The Lahaina urban/wildland fire event is considered the deadliest wildfire in the past century of U.S. history. This fire resulted in over 2200 building…”
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Speciation of heavy metals in coastal sediments of Semarang, Indonesia by Takarina, Noverita Dian, Browne, David R., Risk, Michael J.

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The use of delta(15)N in assessing sewage stress on coral reefs by Risk, Michael J, Lapointe, Brian E, Sherwood, Owen A, Bedford, Bradley J

“…While coral reefs decline, scientists argue, and effective strategies to manage land-based pollution lag behind the extent of the problem. There is need for…”
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Isotopic Composition of Nitrogen in Stomatopod (Crustacea) Tissues as an Indicator of Human Sewage Impacts on Indonesian Coral Reefs by Risk, Michael J, Erdmann, Mark V

“…The delta super(15)N values of stomatopod tissues collected from nine coral reefs within the 16,000 km super(2) Spermonde Archipelago, Indonesia, were…”
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Health of the coral reefs at the US Navy Base, Guantánamo Bay, Cuba: A preliminary report based on isotopic records from gorgonians by Risk, Michael J., Burchell, Meghan, Brunton, Dalston A., McCord, Michael R.

“…Specimens of the gorgonian Plexaura homomalla were sampled from several areas along the fringing reefs fronting the United States Naval Base at Guantánamo Bay,…”
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Rapid climate change in the North Atlantic during the Younger Dryas recorded by deep-sea corals by Smith, Jodie E, Risk, Michael J, Schwarcz, Henry P, McConnaughey, Ted A

“…The use of a new climate archive, deep-sea corals from Orphan knoll in the northwestern Atlantic Ocean is discussed in a study. The oxygen isotope ratios in…”
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Tracking the record of sewage discharge off Jeddah, Saudi Arabia, since 1950, using stable isotope records from antipatharians by Risk, Michael J., Sherwood, Owen A., Nairn, Rob, Gibbons, Chris

“…In 2007, a study was undertaken of the long-term records of the ratios of stable isotopes of carbon (δ13C) and nitrogen (δ15N) in the skeletons of…”
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Nitrogen Isotopic Records of Terrestrial Pollution Encoded in Floridian and Bahamian Gorgonian Corals by Sherwood, Owen A, Lapointe, Brian E, Risk, Michael J, Jamieson, Robyn E

“…Stable nitrogen isotope (δ15N) analysis has proven an effective “fingerprint” of sewage contamination in coral reef environments; however, short-term…”
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Oligocene-Miocene extinction and geographic restriction of Caribbean corals; roles of turbidity, temperature, and nutrients by Edinger, Evan N, Risk, Michael J

“…About half the Caribbean hermatypic corals died out in the Caribbean during the latest Oligocene through Early Miocene, about 24-16 Ma. The majority of those…”
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Clionid sponge surveys on the Florida Reef Tract suggest land-based nutrient inputs by Ward-Paige, Christine A., Risk, Michael J., Sherwood, Owen A., Jaap, Walter C.

“…Bioerosion by Cliona delitrix and Cliona lampa was assessed at 43 sites along the Florida Reef Tract, USA, in the summer of 2001. Sponge abundances were…”
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Radiocarbon reservoir age of high latitude North Atlantic surface water during the last deglacial by Cao, Li, Fairbanks, Richard G., Mortlock, Richard A., Risk, Michael J.

“…The radiocarbon reservoir age of high latitude North Atlantic Ocean surface water is essential for linking the continental and marine climate records, and is…”
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Late Holocene radiocarbon and aspartic acid racemization dating of deep-sea octocorals by Sherwood, Owen A., Scott, David B., Risk, Michael J.

“…Primnoa resedaeformis is a deep-sea gorgonian coral with a two-part skeleton of calcite and gorgonin (a fibrillar protein), potentially containing long-term…”
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Late Holocene radiocarbon variability in Northwest Atlantic slope waters by Sherwood, Owen A., Edinger, Evan N., Guilderson, Thomas P., Ghaleb, Bassam, Risk, Michael J., Scott, David B.

“…Deep-sea gorgonian corals secrete a 2-part skeleton of calcite, derived from dissolved inorganic carbon at depth, and gorgonin, derived from recently fixed and…”
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Radiocarbon evidence for annual growth rings in the deep-sea octocoral Primnoa resedaeformis by SHERWOOD, Owen A, SCOTT, David B, RISK, Michael J, GUILDERSON, Thomas P

“…The deep-sea gorgonian octocoral Primnoa resedaeformis is distributed throughout the Atlantic and Pacific Oceans at depths of 65 to 3200 m. It has a 2-part…”
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