Results 21 to 30 of about 476,961 (242)

Variability of the winter wind waves and swell in the North Atlantic and North Pacific as revealed by the Voluntary Observing Ship data [PDF]

open access: yes, 2006
This paper analyses secular changes and interannual variability in the wind wave, swell, and significant wave height (SWH) characteristics over the North Atlantic and North Pacific on the basis of wind wave climatology derived from the visual wave ...
Akima   +83 more
core   +1 more source

Impact of rain, swell, and surface currents on the electromagnetic bias in GNSS-Reflectometry [PDF]

open access: yes, 2016
The assessment of the electromagnetic (EM) bias is required to predict the performance of upcoming global navigation satellite systems-reflectometry (GNSS-R) altimetry systems, and its impact in data assimilation climate studies. In previous studies, the
Camps Carmona, Adriano José   +1 more
core   +2 more sources

A Marine Radar Wind Sensor [PDF]

open access: yes, 2007
A new method for retrieving the wind vector from radar-image sequences is presented. This method, called WiRAR, uses a marine X-band radar to analyze the backscatter of the ocean surface in space and time with respect to surface winds.
Dankert, Heiko, Horstmann, Jochen
core   +2 more sources

Ocean Surface Anomalies after Strong Winds in the Western Mediterranean Sea

open access: yesJournal of Marine Science and Engineering, 2019
The Western Mediterranean Sea is often subject to intense winds, especially during the winter season. Intense winds induce surface cooling associated with anomalous ocean heat loss, upwelling and diapycnal mixing. In this study we investigate the overall
Francesco Ragone   +3 more
doaj   +1 more source

An easterly tip jet off Cape Farewell, Greenland. II: Simulations and dynamics [PDF]

open access: yes, 2009
An easterly tip jet that occurred on 21 February 2007 off Cape Farewell, Greenland, is examined. In Part I of this article aircraft observations were described.
Barstad   +28 more
core   +1 more source

Brewster-angle measurements of sea-surface reflectance using a high resolution spectroradiometer [PDF]

open access: yes, 2002
This paper describes the design, construction and testing of a ship-borne spectroradiometer based on an imaging spectrograph and cooled CCD array with a wavelength range of 350-800 nm and 4 nm spectral sampling.
Alex Cunningham   +10 more
core   +1 more source

Improving the Positioning Accuracy of Satellite-Borne GNSS-R Specular Reflection Point on Sea Surface Based on the Ocean Tidal Correction Positioning Method

open access: yesRemote Sensing, 2019
The positioning error of the specular reflection point is the main error source of Global Navigation Satellite System Reflectometry (GNSS-R) satellite sea surface altimetry.
Fan Wu   +3 more
doaj   +1 more source

Improving GNSS-IR Sea Surface Height Accuracy Based on a New Ionospheric Stratified Elevation Angle Correction Model

open access: yesRemote Sensing
Approximately 71% of the Earth’s surface is covered by vast oceans. With the exacerbation of global climate change, high-precision monitoring of sea surface height variations is of vital importance for constructing global ocean gravity fields and ...
Jiadi Zhu   +4 more
doaj   +1 more source

Sea Surface Height Estimation by Ground-Based BDS GEO Satellite Reflectometry

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2020
Chinese BeiDou Navigation Satellite System (BDS) as a mixed constellation consists of not only medium earth orbit (MEO) satellites but also inclined geosynchronous orbit and geostationary earth orbit (GEO) satellites, of which the GEO satellites remain ...
Jianming Wu   +7 more
doaj   +1 more source

Spatio-Temporal Distribution of Sardinops sagax in the North Pacific: Optimal Environmental Characteristics

open access: yesProgress in Fishery Sciences, 2023
Sea surface temperature (SST) and chlorophyll concentration in the North Pacific in 2019–2020 were analyzed based on the data of light net fertilization fisheries, including chlorophyll-a, sea surface height (SSH), and data regarding other environmental ...
Chao YANG   +8 more
doaj   +1 more source

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