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Subtropical gyres are enormous rotating ocean currents that generate sustained circulations in the Earth’s subtropical regions just to the north and south of the equator. These gyres are slow-moving w...
Small Autonomous Aircraft for Economical Oceanographic Observations on a Wide Scale
Economical Oceanographic Observations Wide Scale
2015/8/19
A prototype aerosonde, which will fit comfortably on a desktop, and can be packed in two boxes sufficiently small to be taken as airline luggage, is shown in Figure 1. It will have a range of over 7,0...
Thin Layers: Observations of Small-Scale Patterns and Processes in the Upper Ocean
Small-Scale Patterns Processes
2015/8/6
Fore decades, marine scientists have been asking questions about the response of planktonic distributions and processes to physical forcing across a range of temporal and spatial scales. The mismatch ...
Acoustical Sensing of Small-Scale Vertical Structures in Zooplankton Assemblages
Small-Scale Vertical Structures Zooplankton Assemblages
2015/8/6
Observation of aquatic animals in their natural environments remains a major challenge in both biological oceanography and limnology. Critical processes in feeding, reproduction, growth, and predation...
Varied observations over Oregon's continental shelf illustrate the beauty and complexity of geophysical flows in coastal waters. Rapid, creative, and sometimes fortuitous sampling from ships and moori...
Remote Detection of Marine Microbes,Small Invertebrates,Harmful Algae,and Biotoxins using the Environmental Sample Processor (ESP)
Marine Microbes Small Invertebrates Harmful Algae Biotoxins using the Environmental Sample Processor
2015/7/3
The advent of ocean observatories is creating unique opportunities for deploying novel sensor systems. We are exploring that potential through the development and application of the Environmental Samp...
Influence of bottom water anoxia on nitrogen isotopic ratios and amino acid contributions of recent sediments from small eutrophic Lonar Lake, central India
nitrogen isotopic ratios Influence
2014/4/2
Lonar Lake is a eutrophic, saline soda lake with permanently anoxic deep water. The high pH and
deoxygenation result in very elevated d15N of suspended particulate matter (SPM) and sediments due to
...
Physical responses of small temperate lakes to variation in dissolved organic carbon concentrations
dissolved organic carbon concentrations lakes
2014/4/2
We used a mechanistic physical model to examine the effect of variability in dissolved organic carbon (DOC)
concentrations on the physical properties of small temperate lakes. The model was validated...
The isotopic and hydrologic response of small, closed-basin lakes to climate forcing from predictive models: Application to paleoclimate studies in the upper Columbia River basin
isotopic hydrologic closed-basin
2014/4/17
Simulations conducted using a coupled lake-catchment, hydrologic and isotope mass-balance model indicate
that small, closed-basin lakes in north-central Washington are isotopically sensitive to chang...
Effects of fetch and dissolved organic carbon on epilimnion depth and light climate in small forest lakes in southern Sweden
ight climate epilimnion depth
2014/4/16
We sampled small (0.03 to 3.3 km2
surface area) forest lakes in southern Sweden during two summers to
investigate how concentration of dissolved organic carbon (DOC) and lake size influence epilimni...
Particle dispersal due to interplay of motions in the surface layer of a small reservoir
surface layer reservoir Particle dispersal
2014/4/16
Horizontal dispersion mechanisms must be well defined in order to determine the origin and fate of
heterogeneous distributions of biogeochemical material. Here data from an intensive field campaign i...
The role of effective discharge in the ocean delivery of particulate organic carbon by small, mountainous river systems
The role of effective discharge in the ocean delivery particulate organic carbon by small mountainous river systems
2014/4/16
Recent research has shown that small, mountainous river systems (SMRS) account for a significant fraction of the global flux of sediment and particulate organic carbon (POC) to the ocean. The enormous...
Reflection of Internal Gravity Waves by small Density Variations
Internal Gravity Waves small Density Variations
2009/4/3
The propagation of small-amplitude internal gravity waves through a finite layer of varying Brunt-Väisälä frequency is analyzed. A two-scale analysis is used and it is shown that the am...
An integral model of the steady-state dynamics of a shallow, small-scale oceanic front is developed. Such fronts have been observed at the boundaries of river plumes discharging into coastal sea water...
Interaction of Small-Amplitude Surface Gravity Waves with Surface Currents
Small-Amplitude Surface Gravity Waves
2009/3/24
The one-dimensional interaction of surface gravity waves with nondispersive internal waves is studied in a linear approximation by solving the equations of motion in a coordinate system moving with th...