4 edition of Sea surface salinity found in the catalog.
Sea surface salinity
by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, D.C, Springfield, Va
Written in English
|Other titles||Next remote sensing challenge.|
|Statement||by Gary S.E. Lagerloef, Calvin T. Swift, and David M. Le Vine.|
|Series||NASA-TM -- 111735., NASA technical memorandum -- 111735.|
|Contributions||Swift, Calvin T., Le Vine, D. M., United States. National Aeronautics and Space Administration.|
|The Physical Object|
SMOS+ Surface Ocean Salinity (SOS) 14 July SMOS+SOS Brochure Now Available. 6 January Presentations from Ocean Salinity Science Workshop now Available. Analysing the La Niña signature in the tropical Pacific sea surface salinity using in situ data, SMOS observations and a numerical simulation. The average surface water temperature is 26–28 °C in February and 29 °C in May. The water temperature is constant at °C at the depths of 1, m and below. Salinity is –‰ (parts per thousand) in summer and –‰ in winter in the southern by: 3.
Although SMAP was designed to measure soil moisture, its L-band radiometer is also used to measure sea surface salinity, thus extending the data record of the Aquarius salinity mission. Sea Surface Salinity. SMAP Sea Surface Salinity. Sea Surface Salinity (SSS) is an Essential Climate Variable that plays a fundamental role in the density-driven global ocean circulation, the water cycle, and satellite SSS observation from the Soil Moisture and Ocean Salinity (SMOS), Aquarius, and Soil Moisture Active Passive (SMAP) missions have provided an unprecedented opportunity to map SSS over the global .
Constituents of the global hydrological cycle that can be measured with SMOS are a) the soil moisture, b) the ocean surface salinity, and c) the thin (sea ice thickness. SMOS is a polar orbiting satellite based passive microwave sensor operating at L-Band ( GHz). In high latitudes where the sea surface temperature is low, a large scatter of data with a deviation up to 2 psu was discernible. The residual of the salinity observation depended significantly on the sea surface temperature, wind speed and relative wind direction, as expected from the principle of salinity by: 4.
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Published: August (This book is a printed edition of the Special Issue Sea Surface Salinity Remote Sensing that was published in Remote Sensing).
The Sea Surface Salinity Directory is on DVD Disk 1 The WOCE Sea Surface Salinity (SSS) DAC was located at the Centre IRD de Brest (former Orstom) and charged with assembling all the Sea Surface Salinity (SSS) observations collected since in the course of the WOCE programme (oceanographic cruises, observational networks).
Overall, salinity plays a key role in general ocean circulation dynamics, global water cycles (evaporation, precipitation, water vapor, etc.), climate and sea ice extent. Having the opportunity of monitoring sea surface salinity from space provides scientists with a great unrestricted perspective of the oceans.
Dear Colleagues, Sea Surface salinity (SSS) is an essential climate variable. It Sea surface salinity book a key component of the water cycle, as a tracer of precipitation and. The distribution of sea surface temperature (SST) and sea surface salinity (SSS) in the ECS is largely stipulated by the contrast between the Kuroshio and river discharges, mainly from the Yangtze and Yellow Rivers.
In winter, the lowest temperature occurs in the Bohai Gulf (− ~ °C) and the northern coastal area of the Yellow Sea (0 ~ 2 °C), the only areas in the China. The result is an ocean surface where the salinity - the concentration of salt - changes and these changes, small as they may be, have large-scale effects on Earth's water cycle and ocean circulation.
Looking down on the oceans from high above, this animation depicts the day-by-day time evolution of sea surface salinities simulated by the NOAA. NASA's Soil Moisture Active Passive (SMAP) mission began collecting sea surface salinity data in Apriloverlapping with Aquarius observations for approximately three months.
Using the same frequency as Aquarius (L-band; GHz), SMAP's global salinity measurements continue the time series that began with Aquarius in August Sea Surface Temperature The oceans of the world are heated at the surface by the sun, and this heating is uneven for many reasons.
The Earth's axial rotation, revolution about the sun, and tilt all play a role, as do the wind-driven ocean surface currents. The first animation in this group shows the long-term average sea surface temperature, with red and yellow depicting warmer.
SMAP sea surface salinity (SSS) V validated data are available from Remote Sensing Systems. The near-polar orbit of SMAP allows for complete global coverage of the oceans in 3 days with a repeat cycle of 8 days. The SMAP SSS V validated release contains 4 products: Level 2C swath data.
Legend: Annual Average Sea Surface Salinity map at °x° resolution deduced from SMOS satellite data for the year About the CATDS Salinity Expert Center The CATDS Salinity Expeertise Center is a research group including members from the.
The Cersat Salinity Center is a research group including members of the Laboratoire d'Océanographie Spatiale at the French Institute of Research for the Exploitation of the Sea (Ifremer) and of the Brest/Radar division of the french company Collect Localisation activities are focused on the challenge of Sea Surface Salinity (SSS) Remote Sensing from.
The Aquarius mission, launched on 10 Juneis the first mission with the primary goal of measuring sea surface salinity (SSS) from space. Data from Aquarius will play a large role in understanding both climate change and the global water cycle.
In the open ocean the range of salinity is generally from 32 psu to 37 psu. KLEMAS, V., Remote sensing of sea surface salinity: an overview with case studies. Journal of Coastal Research, 27(5), – West Palm Beach (Florida), ISSN Author: Victor Klemas.
The Aquarius spacecraft is designed to measure global sea surface salinity. It is important to understand salinity, the amount of dissolved salts in water, because it will lead us to better understanding of the water cycle and can lead to improved climate models.
Aquarius is a collaboration between NASA and the Space Agency of Argentina. The average salinity of the oceans is ab and variability in the global distribution of surface salinity in the open ocean is shown in Figure Salinity values closely follow the curve for evaporation minus precipitation shown in Figure  A subset of the recently published salinity database of the global oceans is utilized to characterize and explain the observed seasonal variability of sea surface salinity of the north Indian Ocean, in greater detail than has been possible previously.
The influence of salinity on the seasonal evolution of near‐surface mixed layer depth is highlighted. Sea Surface Salinity Climatology Radiometer RFI Scatterometer RFI Sea Surface Salinity at High Latitudes Brightness Temperature at High Latitudes Sea Surface Salinity in the North Atlantic Ocean Sea Surface Density Soil Moisture.
Science Technology. Education News Mission Status & Events People Documents Forum. Sea Surface Salinity. The amount of salt in ocean water has an influence on how the ocean moves and how it transports heat. Several processes contribute to ocean salinity, or its concentration of dissolved salts.
As precipitation falls on land, rocks undergo weathering and erosion, which results in the release of dissolved salts and other minerals. Accurate and real-time sea surface salinity (SSS) prediction is an elemental part of marine environmental monitoring. It is believed that the intrinsic correlation and patterns of historical SSS data can improve prediction accuracy, but they have been not fully considered in statistical by: 1.
Data from three satellite missions has been merged to produce a global time-series showing sea-surface salinity measurements between and (related: Mapping the Salinity of the Ocean).
A product of the European Space Agency’s Climate Change Initiative (CCI), these datasets mark the most complete global coverage of sea-surface salinity. For example, the Baltic Sea has a very low surface salinity of around 10 ppt, because it is a mostly enclosed body of water with lots of river input.
Conversely, the Red Sea is very salty (around 40 ppt), due to the lack of precipitation and the hot environment which leads to .Thus, salinity stratification helps to preserve a warm anomaly, increases the fetch of westerly winds, and leads to the ocean-atmosphere coupled instability leading to an ENSO event.
On the other hand, the eastern edge of the warm pool is distinguished by a sharp SSS gradient, but by a weak Sea Surface Temperature (SST) gradient.However, we use the L-band radiometer to retrieve sea surface salinity SSS.
The SMAP satellite is in a near-polar orbit at an inclination of 98 degrees and an altitude of km. It has an ascending node time of 6 pm and is sun-synchronous. In approximately 3 days it completes global coverage with an exact repeat cycle of 8 days.