Results 131 to 140 of about 28,411 (301)

Geometric and Radiometric Correction of Multibeam Backscatter Derived from Reson 8101 Systems [PDF]

open access: yes, 2002
A common by-product of multibeam surveys is a measure of the backscattered acoustic intensity from the seafloor. These data are of immense interest to geologists and geoscientists since maps of the acoustic backscatter strength can be used to infer ...
Beaudoin, Jonathan   +3 more
core   +1 more source

Oyster Bed Mapping in the Great Bay Estuary, 2012-2013 [PDF]

open access: yes, 2013
Six major oyster beds (reefs) in New Hampshire are mapped periodically to assess wild oyster populations in the Great Bay Estuary. Data on the spatial extent of the beds are combined with density and other measures to estimate the abundances of live ...
Grizzle, Raymond E., Ward, Krystin M.
core   +2 more sources

From land to sea: a new high-resolution bathymetry and topography of the Campi Flegrei area, Southern Italy

open access: yesJournal of Maps
Campi Flegrei is an active volcanic area located in the Campanian region (southern Italy). It is characterized by a caldera structure including a subaerial portion densely populated and a submarine area represented by the Gulf of Pozzuoli. Altimetry data
Roberto Gianardi   +6 more
doaj   +1 more source

Habitat mapping effort at the Olympic Coast National Marine Sanctuary – Current status and future needs [PDF]

open access: yes, 2006
With elevating interest to establish conservation efforts for groundfish stocks and continued scrutiny over the value of marine protected areas along the west coast, the importance of enhancing our knowledge of seabed characteristics through mapping ...
Intelmann, Steven S.
core  

Underwater Video Survey: Planning and Data Processing [PDF]

open access: yes, 2002
The importance of underwater video surveys as an exploration tool has been steadily increasing over recent years [1]. Better photographic equipment, more effective sources of illumination, and improved processing techniques - all make video surveying a ...
Cutter, Randy G, Jr.   +2 more
core   +1 more source

Special JGR‐B issue: Mapping the seafloor

open access: yesEos, Transactions American Geophysical Union, 1984
JGR‐B will publish a special issue in 1985 focusing on the results obtained by using a variety of new seafloor mapping tools (e.g., SEA BEAM, SEA MARC I and II, GLORIA, GEOS 3, and Seasat radar altimetry). Liberal use of color and large‐format black and white figures is encouraged. Special reduced rates for color will apply.
openaire   +1 more source

Geographical and Seasonal Distribution of Australian Pygmy Right Whales (Caperea marginata) Based on Passive Acoustics

open access: yesMarine Mammal Science, Volume 42, Issue 2, April 2026.
ABSTRACT The pygmy right whale (Caperea marginata) is one of the least studied mysticete species. To shed light on its geographic and seasonal distribution, we compiled archival acoustic recordings from 26 sites across southern Australia and developed a deep‐learning detector for pygmy right whale “doublet” vocalizations.
Paul Nguyen Hong Duc   +11 more
wiley   +1 more source

The use of multibeam sonar mapping techniques to refine population estimates of the endangered white abalone (Haliotis sorenseni) [PDF]

open access: yes, 2006
Multibeam sonar mapping techniques provide detailed benthic habitat information that can be combined with the data on species-specific habitat preferences to provide highly accurate calculations of populations in a particular area. The amount of suitable
Butler, John   +4 more
core  

Indigenous Perspectives of Mining in Fiji: The Relevance of Putting Indigenous Knowledge at the Core of Development Initiatives

open access: yesBusiness Strategy &Development, Volume 9, Issue 1, March 2026.
ABSTRACT Mining is crucial to the development of developing countries. This article studies the perspective of Indigenous peoples of Fiji (iTaukei) on the impact of mining on their development. Considering Indigenous knowledge at the core of this research, a unique qualitative methodology that integrates Vakumuni Vuku ni Vanua (gathering wisdom of the ...
Eduardo Ordonez‐Ponce   +2 more
wiley   +1 more source

Ingestion of Alexandrium pacificum Cysts by a Deposit Feeder: An Option for Ecosystem‐Based Approach Benefiting Aquaculture and Coastal Communities?

open access: yesNew Zealand Journal of Marine and Freshwater Research, Volume 60, Issue 1, March 2026.
Harmful algal blooms caused by the paralytic shellfish toxin‐producing species Alexandrium pacificum have increased in recent years in one of the most important aquaculture regions of New Zealand, the Marlborough Sounds. Reoccurring blooms have created large cysts beds in the sediments throughout the sounds. In this region, large populations of the sea
Leonardo N. Zamora   +6 more
wiley   +1 more source

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