نتایج جستجو برای: sea surface temperature sst
تعداد نتایج: 1135293 فیلتر نتایج به سال:
Using an ocean–atmosphere coupled general circulation model, air–sea interaction processes associated with the Atlantic meridional mode are investigated from a new viewpoint of its link with the Guinea Dome in the northern tropical Atlantic. The subsurface thermal oceanic dome develops off Dakar from late spring to late fall owing to wind-induced Ekman upwelling. Its seasonal evolution is due t...
Lack of reliable observational metadata represents a key barrier to understanding sea surface temperature (SST) measurement biases, a large contributor to uncertainty in the global surface record. We present a method to identify SST measurement practice by comparing the observed SST diurnal cycle from individual ships with a reference from drifting buoys under similar conditions of wind and sol...
Sea surface temperature (SST) is an important parameter used in many applications, such as fisheries, weather forecasting as boundary condition, and monitoring of climate changes. In these applications, SST is necessary under both fine and cloudy conditions, which can be made by passive microwave radiometers in particular under cloudy condition. To measure SST by microwave radiometers, frequenc...
[1] A thermomechanical ice sheet model (ISM) is used to investigate the sensitivity of the Laurentide and Fennoscandian ice sheets to tropical sea surface temperature (SST) perturbations during deglaciation. The ISM is driven by surface temperature and precipitation fields from three different atmospheric general circulation models (AGCMs). For each AGCM, the responses in temperature and precip...
In early May of 1998 we saw the sea surface temperature signature of one of the strongest El Niños on record decay within a span of several weeks. At 125W the SST dropped over 5 oC in 17 days. What caused this abrupt end to the 1997-1998 El Niño? It is my goal to attempt to answer this question, at least in part, through the investigation of TAO mooring data including wind velocity, ocean SST, ...
A high-resolution sea surface temperature (SST) reconstruction of the western Mediterranean was accomplished using two independent, algae-based molecular organic proxies, i.e., the U37 index based on long-chain unsaturated ketones and the novel long-chain diol index (LDI) based on the relative abundances of C28 and C30 1,13and 1,15-diols. Twomarine records, from the western and eastern Alboran ...
Leatherback sea turtles, Dermochelys coriacea, are highly migratory predators that feed exclusively on gelatinous zooplankton, thus playing a unique role in coastal and pelagic food webs. From 2007 to 2010, we used satellite telemetry to monitor the movements and dive behavior of nine adult and eleven subadult leatherbacks captured on the Northeast USA shelf and tracked throughout the Northwest...
For a foam-covered sea surface, it is difficult to retrieve sea surface salinity (SSS) with L-band brightness temperature (1.4 GHz) because of the effect of a foam layer with wind speeds stronger than 7 m/s, especially at low sea surface temperature (SST). With foam-controlled experiments, emissivities of a foam-covered water surface at low SST (−1.4 °C to 1.7 °C) are measured for varying SSS, ...
Sea surface temperature (SST) data derived from satellite and in situ measurements are used to study the thermal variability in the South China Sea (SCS). Time–frequency–energy distributions, periods of variability, and trends are computed by the Hilbert–Huang transform method. The SST trend from 1982 to 2005 is 0.276 C per decade in the SCS which is higher than 0.144 C per decade in the wester...
[1] Regional patterns in tropospheric and sea surface temperature (SST) trends are examined for the period 1979 – 2001 using MSU, NCEP-NCAR, ECMWF reanalyses, NOAA OI SST, and the CARDS radiosonde data set. Trends are estimated using a nonparametric approach. Substantial regional variability in temperature trends is seen in all data sets, with the magnitude of the variability (including substan...
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