Index Catalog // ScholarsArchive@OSU

Optical scattering and backscattering by organic and inorganic particulates in U.S. coastal waters

Creator:: Snyder, William A., Arnone, Robert A., Davis, Curtiss O., Goode, Wesley, Gould, Richard W., Ladner, Sherwin, Lamela, Gia, Rhea, William J., Stavn, Robert, Sydor, Michael, and Weidemann, Allen
Abstract:: We present the results of a study of optical scattering and backscattering of particulates for three coastal sites that represent a wide range of optical properties that are found in U.S. near-shore waters. The 6000 scattering and backscattering spectra collected for this study can be well approximated by a power-law...
Resource Type:: Article
Full Text:: material that is present. © 2008 Optical Society of America OCIS codes: 010.1350, 010.4450, 010.4458. 1

The influence of coherent waves on the remotely sensed reflectance

Creator:: Zaneveld, J. Ronald V., Boss, Emmanuel, and Hwang, Paul A.
Abstract:: Oceanic waves have been found to contribute enhanced back-scattering in the direction of the illumination source in studies that assumed the ocean surface to be a random sum of waves. Here we investigate enhanced back-scattering by coherent capillary-gravity wave trains that co-exist near the crests of short gravity waves in...
Resource Type:: Article
Full Text:: Society of America OCIS codes: (010.4450) Ocean optics, (120.0280) Remote sensing. References and links 1

Observation of sound focusing and defocusing due to propagating nonlinear internal waves

Creator:: Luo, J., Badiey, M., Karjadi, E. A., Katsnelson, B., Tskhoidze, A., Lynch, J. F., and Moum, J. N.
Abstract:: Fluctuations of the low frequency sound field in the presence of an internal solitary wave packet during the Shallow Water ’06 experiment are analyzed. Acoustic, environmental, and on-board ship radar image data were collected simultaneously before, during, and after a strong internal solitary wave packet passed through the acoustic track....
Resource Type:: Article
Full Text:: . 2, September 2008 © 2008 Acoustical Society of America 28.193.70.43. Redistribution subject to ASA

Mid-frequency sound propagation through internal waves at short range with synoptic oceanographic observations

Creator:: Rouseff, Daniel, Tang, Dajun, Williams, Kevin L., Wang, Zhongkang, and Moum, James N.
Abstract:: Preliminary results are presented from an analysis of mid-frequency acoustic transmission data collected at range 550m during the Shallow Water 2006 Experiment. The acoustic data were collected on a vertical array immediately before, during, and after the passage of a nonlinear internal wave on 18 August, 2006. Using oceanographic data...
Resource Type:: Article
Full Text:: passes above the acoustic source. © 2008 Acoustical Society of America PACS numbers: 43.30.Ft, 43.30.Re

Ocean PHILLS hyperspectral imager : design, characterization, and calibration

Creator:: Davis, Curtiss O., Bowles, Jeffrey, Leathers, Robert A., Korwan, Dan, Downes, T. Valerie, Snyder, William A., Rhea, W. Joe, Chen, Wei, Fisher, John, Bissett, W. Paul, and Reisse, Robert Alan
Abstract:: The Ocean Portable Hyperspectral Imager for Low-Light Spectroscopy (Ocean PHILLS) is a hyperspectral imager specifically designed for imaging the coastal ocean. It uses a thinned, backside-illuminated CCD for high sensitivity and an all-reflective spectrograph with a convex grating in an Offner configuration to produce a nearly distortion-free image. The sensor,...
Resource Type:: Article
Full Text:: -15 site in New Jersey that agrees well with ground-truth measurements. ©2002 Optical Society of

Clear Lake sediments: Anthropogenic changes in physical sedimentology and magnetic response

Creator:: Osleger, David A., Zierenberg, Robert A., Suchanek, Thomas H., Stoner, Joseph, Morgan, Sally, and Adam, David P.
Abstract:: We analyzed the sedimentological characteristics and magnetic properties of cores from the three basins of Clear Lake, California, USA, to assess the depositional response to a series of land use changes that occurred in the watershed over the 20th century. Results indicate that distinct and abrupt shifts in particle size,...
Resource Type:: Article
Full Text:: ) Supplement, 2008, pp. A239–A256 � 2008 by the Ecological Society of America CLEAR LAKE SEDIMENTS

Nonadditive effects of the environment on the survival of a large marine fish population

Creator:: Cianelli, Lorenzo, Chan, Kung-Sik, Bailey, Kevin Mclean, and Stenseth, Nils C.
Abstract:: Climate can affect population dynamics in indirect ways via nonadditive forcing by external variables on internal demographic rates. Current analytical techniques, employed in population ecology, fail to explicitly include nonadditive interactions between internal and external variables, and therefore cannot efficiently address indirect climate effects. Here, we present the results of...
Resource Type:: Article
Full Text:: 2004 by the Ecological Society of America NONADDITIVE EFFECTS OF THE ENVIRONMENT ON THE SURVIVAL OF A

Spatial anatomy of species driven survival: Effects of predation and climate-driven environmental variability

Creator:: Cianelli, Lorenzo, Dingsør, Gjert E., Bogstad, Bjarte, Ottersen, Geir, Chan, Kung-sik, Gjøsæter, Harald, Stiansen, Jan Erik, and Stenseth, Nils C.
Abstract:: The majority of survival analyses focus on temporal scales. Consequently, there is a limited understanding of how species survival varies over space and, ultimately, how spatial variability in the environment affects the temporal dynamics of species abundance. Using data from the Barents Sea, we study the spatiotemporal variability of the...
Resource Type:: Article
Full Text:: by the Ecological Society of America SPATIAL ANATOMY OF SPECIES SURVIVAL: EFFECTS OF PREDATION AND

Cooperative prey herding by the pelagic dolphin, Stenella longirostris

Creator:: Benoit-Bird, Kelly J. and Au, Whitlow W. L.
Abstract:: Sonar techniques were used to quantitatively observe foraging predators and their prey simultaneously in three dimensions. Spinner dolphins foraged at night in highly coordinated groups of 16–28 individuals using strict four-dimensional patterns to increase prey density by up to 200 times. Herding exploited the prey’s own avoidance behavior to achieve...
Resource Type:: Article
Full Text:: Pacific Ocean. © 2009 Acoustical Society of America. �DOI: 10.1121/1.2967480� PACS number�s�: 43.30.Sf

Modeling the detection range of fish by echolocating bottlenose dolphins and harbor porpoises

Creator:: Au, Whitlow W. L., Benoit-Bird, Kelly J., and Kastelein, Ronald A.
Abstract:: The target strength as a function of aspect angle were measured for four species of fish using dolphin-like and porpoise-like echolocation signals. The polar diagram of target strength values measured from an energy flux density perspective showed considerably less fluctuation with azimuth than would a pure tone pulse. Using detection...
Resource Type:: Article
Full Text:: dolphin echolocation signals. © 2007 Acoustical Society of America. �DOI: 10.1121/1.2734487� PACS number

ScholarsArchive@OSU

Optical scattering and backscattering by organic and inorganic particulates in U.S. coastal waters

The influence of coherent waves on the remotely sensed reflectance

Observation of sound focusing and defocusing due to propagating nonlinear internal waves

Mid-frequency sound propagation through internal waves at short range with synoptic oceanographic observations

Ocean PHILLS hyperspectral imager : design, characterization, and calibration

Clear Lake sediments: Anthropogenic changes in physical sedimentology and magnetic response

Nonadditive effects of the environment on the survival of a large marine fish population

Spatial anatomy of species driven survival: Effects of predation and climate-driven environmental variability

Cooperative prey herding by the pelagic dolphin, Stenella longirostris

Modeling the detection range of fish by echolocating bottlenose dolphins and harbor porpoises

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