Results 191 to 200 of about 975,265 (377)

Diagnosing coastal processes using machine learning and ocean buoyancy gliders

open access: yesLimnology and Oceanography, EarlyView.
Abstract Ocean buoyancy gliders provide a comprehensive view of the water column, offering more than simply a snapshot of a single moment in time or space. In this study, we applied the established machine learning method, k‐means clustering, to a glider dataset collected in the summer of 2015 in the northern Gulf of Mexico.
Robert L. Iles IV   +3 more
wiley   +1 more source

Research on Application of Polar Codes in Free Space Optical Communication

open access: yesGuangtongxin yanjiu
【Objective】In Free Space Optical (FSO) communication, atmospheric turbulence can cause a decrease in communication link performance.【Methods】In this paper, a polar coding channel coding scheme is proposed for this problem, and Monte Carlo algorithm is ...
XING Lijuan, LI Zhuo, WANG Zhuo
doaj  

Temporal methane dynamics in the surface waters of a stratified eutrophic lake over four years

open access: yesLimnology and Oceanography, EarlyView.
Abstract The occurrence of oxic methane production (OMP) has been reported for numerous aquatic ecosystems. Its seasonal dynamics and contribution to global methane (CH4$$ {\mathrm{CH}}_4 $$) emissions remains uncertain, however, due to the lack of measurements constraining the spatial and temporal variability of OMP.
César Ordóñez   +5 more
wiley   +1 more source

Remote Sensing of Atmospheric Turbulence by Means of a Fast Optical Method: A Comparison with SimultaneousIn SituMeasurements [PDF]

open access: bronze, 1980
M. Azouit   +5 more
openalex   +1 more source

Picophytoplankton act as the primary consumers of excess phosphorus after the spring bloom in the eutrophic Baltic Sea

open access: yesLimnology and Oceanography, EarlyView.
Abstract Eutrophication in the Baltic Sea has caused an imbalance in the inorganic nitrogen (N) to phosphorus (P) ratio, leaving excess phosphate (PO4) after the phytoplankton spring bloom that terminates after N depletion. Using monitoring data, we demonstrated that the PO4 concentration has continued to increase in the outermost Gulf of Finland ...
Kristian Spilling   +6 more
wiley   +1 more source

Stratification stability of tropical lakes and their sensitivity to climate

open access: yesLimnology and Oceanography, EarlyView.
Abstract Tropical lakes experience less thermal convection than temperate lakes and can be stably stratified by temperature gradients alone. Deep tropical lakes are often presumed meromictic, but conditions for sustained meromixis are poorly constrained. Here, we investigate the stratification stability of a deep (200 m) tropical Lake Towuti (Indonesia)
Tongyao Pu   +3 more
wiley   +1 more source

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