Results 131 to 140 of about 87,301 (310)

Imaging Point Source Groundwater Discharges in a Confined Coastal Aquifer Using Electrical Resistivity

open access: yesGroundwater, EarlyView.
Marine electrical resistivity tomography (ERT) is applied to characterize point‐source submarine groundwater discharge (PSGD) along NW Yucatán. ERT observations and forward modeling constrain conduit detectability under varying hydrogeological conditions.
Mariana Gómez‐Nicolás   +6 more
wiley   +1 more source

The Port Norfolk Project: Improved Raster Navigation Products From High Resolution Source Data [PDF]

open access: yes, 2011
With increasing capabilities in technology, modern hydrographic surveys are comprised of similarly increasing amounts of data, only a minute fraction of which is currently available in the nautical charts produced by the NOAA Office of Coast Survey (OCS).
Miller, James J.   +4 more
core   +1 more source

Vortices over bathymetry

open access: yesJournal of Fluid Mechanics
There are numerous examples of long-lived, surface-intensified anticyclones over submarine depressions and troughs in the ocean. These often co-exist with a large-scale cyclonic circulation. The latter is predicted by existing barotropic theory but the anticyclone is not.
J.H. LaCasce, A. Palóczy, M. Trodahl
openaire   +1 more source

Demonstration of an instream flow model to accommodate a threatened tiger beetle in riverine dune habitat

open access: yesInsect Conservation and Diversity, EarlyView.
Burrows of the threatened Gibson's Big Sand Tiger Beetle in riverine dune habitats are susceptible to flooding through managed flows. HEC‐RAS modelling identified the flow thresholds above which flooding would occur for burrows and affect the beetle larvae. These findings provide instream flow guidelines for conserving this threatened species and guide
Iain D. Phillips   +2 more
wiley   +1 more source

ASSESSMENT OF THE IMPACT OF THE TSUNAMI OF DECEMBER 26, 2004 ON THE NEAR-SHORE BATHYMETRY OF THE KALPAKKAM COAST, EAST COAST OF INDIA [PDF]

open access: yesScience of Tsunami Hazards, 2008
The devastating impact of the December 26, 2004 tsunami on the coast of South India has been well documented. However, only a few studies assessed the tsunami’s impact in the near-shore region.
P. Sasidhar, C. Anandan
doaj  

High Resolution Current & Bathymetry Determined by Nautical X-Band Radar in Shallow Waters [PDF]

open access: yes, 2009
The wave and current monitoring system WaMoS II is a remote sensing system based on a nautical X-Band radar generally used for navigation and ship traffic control.
Bell, Paul S., Hessner, Katrin
core  

Genes, fish and fisheries: translating science into policy

open access: yesJournal of Fish Biology, EarlyView.
Abstract The 2024 Annual Symposium of the Fisheries Society of the British Isles reviewed the burgeoning impact of ‘omics’ technologies on fish ecology, management and forecasting. As with life sciences more generally, major advances in speed, cost‐effectiveness and breadth of applications in ‘omics’ has had profound societal and environmental impacts.
Gary R. Carvalho
wiley   +1 more source

Hidden partnerships in the dark: Cold‐water coral–fish associations in Fiordland, New Zealand

open access: yesJournal of Fish Biology, EarlyView.
Abstract The ichthyofauna of the Fiordland ecosystems of southern Aotearoa New Zealand was documented during four remotely operating vehicle (ROV) dives between 100 and 350 m depth. A total of 26 fish species were documented within two fiord basins.
Alexander H. Knorrn   +3 more
wiley   +1 more source

Contrasting life‐history strategies of three sympatric icefish species in the northern Scotia Sea

open access: yesJournal of Fish Biology, EarlyView.
Abstract Comprehending a species' life‐history strategies is crucial to inform effective conservation efforts. Commercial fishing impacts icefish (family: Channichthyidae) in the Scotia Sea, but detailed information on species‐specific life histories remains largely unknown.
Huw W. James   +5 more
wiley   +1 more source

Is Satellite-Derived Bathymetry Vertical Accuracy Dependent on Satellite Mission and Processing Method?

open access: yesRemote Sensing
This research focusses on three satellite-derived bathymetry methods and optical satellite instruments: (1) a stereo photogrammetry bathymetry module (SaTSeaD) developed for the NASA Ames stereo pipeline open-source software (version 3.6.0) using stereo ...
Monica Palaseanu-Lovejoy   +5 more
doaj   +1 more source

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