Sentences with phrase «observations of ocean»

The Oleander Project: Sustained Observations of Ocean Currents in the NW Atlantic between New York and Bermuda

Summertime satellite observations of ocean color from MODIS / Aqua show highly turbid waters which may include large blooms of phytoplankton extending from the mouth of the Mississippi River all the way to the Texas coast.

Now researchers from NOAA Fisheries, Oregon State University and the University of Maryland have combined that trove of tracking data with satellite observations of ocean conditions to develop the first system for predicting locations of blue whales off the West Coast.

Interesting for sure, vut the scientific payoff for using all this computer time doesn't seem to be too high in the absence of observations of the ocean circulation during this period with which to compare the simulations.

Dutrieux et al. (p. 174, published online 2 January) provide another layer of detail to our understanding of the process through observations of ocean temperatures in the surrounding waters.

Roger, the bottom line is that we have no decent observations of ocean or atmospheric circulation patterns prior to 1950.

She currently is working on identifying a set of model versions that are consistent with recent observations of the ocean surface and subsurface.

Several estimates of the trend in ocean heat content have been made using the ARGO network of ocean floats, satellite observations of ocean altimetry (Levitus et al., 2000, 2001; Willis et al., 2003), and climate models (Barnett et al., 2001; Crowley et al., 2003).

In fact, I conclude that we have inadequate observations of ocean or atmospheric circulation patterns until after the development of global satellite converge (~ 1979).

To answer this, we need to view observations of ocean heat content over the past 40 years.

There are stationarity asssumptions from observations of ocean basins as they appear to us today.

But detailed information about the nature of the bed upon which the ice sheet rests has been less forthcoming, and observations of the ocean waters at the periphery [Jacobs et al., 1996] and beneath have been challenging to acquire.

Observations of ocean salinity patterns for the past 50 years reveal an intensification of [P - E] patterns as predicted by models, but at an even faster rate.

Compare the SAR and the TAR for example, and since then we have many more proxy reconstructions to consider, the satellite analyses corrected, new data about energy imbalances, better observations of ocean currents and temperature, ice sheet behaviour in Greenland and Antarctica and much much more.

Bio-optical sensors would supplement satellite observations of the ocean's color by providing measurements of chlorophyll, light, and light scattering deep into the ocean interior throughout the year, in cloud - and ice - covered areas, or during the dark of polar winter.

Cazenave, A., D. P. Chambers, P. Cipollini, L. L. Fu, J. W. Hurell, M. Merrifield, R. S. Nerem, H. P. Plag, C. K. Shum, and J. Willis, 2010: The challenge of measuring sea level rise and regional and global trends, Geodetic observations of ocean surface topography, ocean currents, ocean mass, and ocean volume changes.

Shum, C. K., A. Cazenave, D. Chambers, V. Gouretski, R. Gross, C. Hughes, S. Jayne, C. Kuo, E. Leuliette, N. Maximenko, J. Morison, H. Plag, S. Levitus, M. Rothacher, R. Rummel, J. Schroter, M. Sideris, T. Song, J. Willis, and P. Woodworth, 2010: Geodetic observations of ocean surface topography, ocean currents, ocean mass, and ocean volume changes.

The RF time series are linked to the observations of ocean heat content and temperature change through an energy balance model and a stochastic model, using a Bayesian approach to estimate the ECS from the data.

The implications of our findings are that the modern observations of ocean - driven warming along the western Antarctic Peninsula need to be considered as part of a natural centennial timescale cycle of climate variability, and that in order to understand climate change along the Antarctic Peninsula, we need to understand the broader climate connections with the rest of the planet.

This idea was explored by Levitus et al (long term observations of ocean heat content) and Barnett et al (modelling of such changes) in a couple of Science papers a few years ago.

Observations of ocean salinity patterns for the past 50 years reveal an intensification of [P - E] patterns as predicted by models, but at an even faster rate.

She currently is working on identifying a set of model versions that are consistent with recent observations of the ocean surface and subsurface.

In fact, the calculation has been done very carefully by Hansen and co-workers, taking all factors into consideration, and when compared with observations of ocean heat storage over a period long enough for the observed changes to be reliably assessed, models and observations agree extremely well (see this article and this article.).

Rather than use a model - based estimate, as did Hansen (2005) and Trenberth (2009), the authors achieve this by calculating it from observations of ocean heat content (down to 1800 metres) from the PMEL / JPL / JIMAR data sets over the period July 2005 to June 2010 - a time period dominated by the superior ARGO - based system.

One of these is NASA's Oceans Melting Greenland, or «OMG,» mission, which is collecting both aerial and ship - based observations of ocean temperatures and the shape of the seafloor.

In addition, satellite observations of the ocean surface and atmospheric data were included.

«Hydrothermal siphon» drives water circulation through seafloor: New study explains previous observations of ocean water flowing through the seafloor from one seamount to another.»

It is one of six stations operated by Australia's Integrated Marine Observing System (IMOS), which was set up to make physical, chemical and biological observations of the ocean basin.

This global biological recordbased on daily observations of ocean algae and land plants from NASAs Sea - viewing Wide Field - of - View Sensor (SeaWiFS) missionwill enable scientists to study the fate of atmospheric carbon, terrestrial plant productivity and the health of the oceans food web.

Up until now, instrumental observations of the oceans have only spanned the last 100 years or so, whilst reconstructions using marine sediment cores come with significant age uncertainties.

These moorings are used for the long - term observation of ocean circulation.

The observations of the oceans are relatively new and they're relatively shallow still, so I think, again, the time's right to really make progress there.

Not exact matches

A casual observation of the vastness of the oceans, the majesty of the mountains, or the beauty of a sunrise or sunset should cause any person to conclude, «There must be a God.»

On our hundreds of miles of trails you can take in ocean, pond, and river views; explore forests and fields; hike drumlins and eskers; stroll boardwalks and gravel paths; discover stone walls and observation towers; go on a Quest or play nature bingo; and enjoy solitude on benches or in bird blinds.

They focused on the period starting June 3, 2010, when the riser pipe was cut at the wellhead by engineers, until July 15, 2010 — a timespan when a large number of scientific observations were collected nearby in the air and ocean.

Trapped beneath Earth's ocean of air, ground - based observatories will be stymied by starlight - warping turbulence, and by airglow — faint light emitted by atmospheric chemical reactions that can corrupt delicate observations.

But the ocean is a huge, constantly moving three - dimensional ecosystem, and obtaining precise, real - time observations of marine life and of oceanic conditions such as temperature, current and salinity is quite challenging and astronomically expensive.

Optical sensors installed on ships, for instance, can determine ocean water color that reflects the activity of micro-algae at the bottom of the food chain and, when examined alongside satellite color observations, can support extrapolations about what's happening in a given area of ocean.

«Sea level observations are telling us that during the past 100 years sea level has risen at an average rate of 1.7 millimeters per year,» most of that due to thermal expansion as the top 700 meters of the oceans warms and expands.

About 5,300 previously unknown organisms have already been identified, and every new sighting is logged into the census's freely accessible Ocean Biogeographic Information System (www.iobis.org), which boasts more than 13 million observations of 80,000 species.

The researchers were able to test their hypothesis that stronger winds were driving the ocean heat uptake by putting the observations of wind behavior into climate models.

Trapped below Earth's ocean of air, even the largest ground - based observatories will be stymied by starlight - warping turbulence and by airglow, faint light emitted by atmospheric chemical reactions that can corrupt delicate observations.

Today, 14 of the 15 satellites currently making climatic observations on Earth are far beyond their designed life - expectancies, with the exception being the Ocean Surface Topography Mission (OSTM):

Donald Hunten of the Lunar and Planetary Laboratory at the University of Arizona at Tucson claims to know the answer: His observations of falling particles in Titan's atmosphere indicate that the putative ocean consists of a solid pile of «smust.»

A new report by the National Academies of Sciences, Engineering, and Medicine finds that continuity of ocean observations is vital to gain an accurate understanding of the climate, and calls for a decadal, national plan that is adequately resourced and implemented to ensure critical ocean information is available to understand and predict future changes.

The reports also identifies other challenges that impact sustained observations, such as the declining investment in new technological development, increasing difficulty in retaining and replenishing the human resources associated with sustained ocean observing, and a decreasing number of global and ocean - class research vessels.

Given that ocean observations for climate provide a wide range of benefits to the agricultural, shipping, fishing, insurance, and energy - supply industries, the committee that wrote the report suggested that efforts could be made to draw support for ocean observing from the commercial sector.

It would focus on the composition and thickness of the ocean, already reckoned to be briny and rich in magnesium salts following previous observations of seeps to the surface by other space probes flying nearby.

Funding mechanisms that rely on annual budget approval or short - term grants may result in discontinuity of ocean - climate measurements, reducing the value of the observations made to date and in the future.

Scientific observations show that in the Arctic, warming temperatures have led to a 75 % loss in sea ice volume since the 1980s, and recent reports suggest the Arctic Ocean will be nearly free of summer sea ice by 2050, said Sullivan.