Sentences with phrase «sea level data with»

Satellite altimetry observations, available since the early 1990s, provide more accurate sea level data with nearly global coverage and indicate that since 1993 sea level has been rising at a rate of about 3 millimeters per year.

A review of trend models applied to sea level data with reference to the «acceleration - deceleration debate» Global sea levels have been rising through the past century and are projected to rise at an accelerated rate throughout the 21st century.

Satellite observations available since the early 1990s provide more accurate sea level data with nearly global coverage.

Not exact matches

And in many, many cases — such as with ocean temperatures, rising sea levels, or ice shelf traveling speeds — scientists have recorded the data for decades, systematically, consistently, and with precision.

Using the Great Barrier Reef as their study case, they estimated the evolution of the region over the last 14,000 years and showed that (1) high sediment loads from catchments erosion prevented coral growth during the early phase of sea level rise and favoured deep offshore sediment deposition; (2) how the fine balance between climate, sea level, and margin physiography enabled coral reefs to thrive under limited shelf sedimentation rates at 6,000 years before present; and, (3) how over the last 3,000 years, the decrease of accommodation space led to the lateral extension of coral reefs consistent with available observational data.

Pettersen is hopeful that, with more data analysis over longer periods of time, researchers will find more answers yet to account for the melting ice sheet and the subsequent sea level rise that has already had an impact on regions across the planet.

In the future, Orton says, improved storm - surge models could predict where flood zones should be drawn given future sea level rise, which is now done nationally by the Federal Emergency Management Agency with data from past storms.

Even when there doesn't happen to be an overpass at surge time, the statistics of sea level that we got from more than 20 years of repeated altimetric observations in the area can still be combined with data from nearby tide gauges to improve the forecasts of the expected surge.»

Raw data collected from altimeters have been re-processed and collated with wind speed data from scatterometers and sea level measurements from tide gauges, to show the spatial structure of each storm.

Insights into sea level changes, combined with archaeological data on the history of the island's fauna through excavation, has never been done before in charting Zanzibar's history.

Working with David Pollard of Pennsylvania State University, DeConto calibrated this model using data on past sea level rises during warm periods 120,000 and 3 million years ago.

He has been monitoring sea levels with satellite altimetry data and has noticed about a 20 - centimeter difference between the western and eastern tropical Pacific.

The first image, based on data from January 1997 when El Nio was still strengthening shows a sea level rise along the Equator in the eastern Pacific Ocean of up to 34 centimeters with the red colors indicating an associated change in sea surface temperature of up to 5.4 degrees C.

The scientists then combined the ancient sea - level data with modern sea - level measurements.

They compared existing National Oceanic and Atmospheric Administration (NOAA) records of upper - ocean temperatures in coastal waters for each U.S. ocean coastline with records of actual sea level changes from 1955 to 2012, and data from U.S. / European satellite altimeter missions since 1992.

It's a long paper with a long title: «Ice melt, sea level rise and superstorms: evidence from paleoclimate data, climate modeling, and modern observations that 2 oC global warming could be dangerous».

Meanwhile, we began talking with state education agencies (SEAs) and AACTE state chapters and member institutions to gauge their interest in consolidating these state and institution data collection efforts in a national - level instrument.

In our paper published last night in ERL we show the newer Church & White data set with less smoothing in Fig. 3 (orange line), and you can see it is more «wiggly» — hard to tell whether these wiggles are true oscillations in global sea level or again an effect of the limited number of gauges.

When he explains how a 5 m rise this century could be consistent with the current data on sea level rise, he points out that he is speculating.

In a second step, we apply the method to reconstructing 2 - D sea level data over 1950 — 2003, combining sparse tide gauge records available since 1950, with EOF spatial patterns from different sources: (1) thermosteric sea level grids over 1955 — 2003, (2) sea level grids from Topex / Poseidon satellite altimetry over 1993 — 2003, and (3) dynamic height grids from the SODA reanalysis over 1958 — 2001.

Very recent, wide ranging review of temperature measurements in the oceans with a detailed discussion of the accuracy of the data, planetary energy balance and the effect of the warming on sea levels.

If you want a really really simple statistical climate model, try correlating global mean annual temperature & / or sea level with the CO2 data from Mauna Loa.

They seem to take pride in... «exclusive use of Argo» data with no use of anything else, including sea level.

It is difficult to compare pre-satellite sea ice data with recent levels.

I suppose that if all uncertainties are resolved in the direction of lower risk, we just might get away with BAU for the next few decades without a complete disaster (though continued sea level rise, ocean acidification and 2 degrees Celsius actually sound pretty risky to me, and the risk that there are other factors in play seems to be reinforced by paleo data on glacial - interglacial transitions).

Coupled with results from other sections, our data reveal the presence of an unconformity followed by an eustatic sea - level rise (TST) in the latest Palaeocene.

42 Eric, data on the volume of ice and potential sea level rise (pslr) associated with the various components are given in a table on this page:

Mike's work, like that of previous award winners, is diverse, and includes pioneering and highly cited work in time series analysis (an elegant use of Thomson's multitaper spectral analysis approach to detect spatiotemporal oscillations in the climate record and methods for smoothing temporal data), decadal climate variability (the term «Atlantic Multidecadal Oscillation» or «AMO» was coined by Mike in an interview with Science's Richard Kerr about a paper he had published with Tom Delworth of GFDL showing evidence in both climate model simulations and observational data for a 50 - 70 year oscillation in the climate system; significantly Mike also published work with Kerry Emanuel in 2006 showing that the AMO concept has been overstated as regards its role in 20th century tropical Atlantic SST changes, a finding recently reaffirmed by a study published in Nature), in showing how changes in radiative forcing from volcanoes can affect ENSO, in examining the role of solar variations in explaining the pattern of the Medieval Climate Anomaly and Little Ice Age, the relationship between the climate changes of past centuries and phenomena such as Atlantic tropical cyclones and global sea level, and even a bit of work in atmospheric chemistry (an analysis of beryllium - 7 measurements).

It's an exciting time, though, with all this new data about global sea temperature, sea level and other features of climate....

By adding 1 +1 we therefore know that sea - level rise is increasing the damage from storm surges — probably decades before this can be statistically proven with observational data.

The new paper also reconstructs an AMOC proxy derived from sea level data that could be compared with Rahmstorf's SST - based proxy.

Here we analyze a series of climate model experiments along with observational data to show that the recent warming trend in Atlantic sea surface temperature and the corresponding trans - basin displacements of the main atmospheric pressure centers were key drivers of the observed Walker circulation intensification, eastern Pacific cooling, North American rainfall trends and western Pacific sea - level rise.

The data - gathering and environmental monitoring capabilities of the FishPi may include temperature readings (air and sea), salinity and pH measurements, barometric monitoring, light levels, and more, with some of the data or images being relayed in real - time.

The Arctic altimeter data were retracked using an OCOG retracking algorithm, and the diffuse returns from the leads and open ocean were combined with a host of instrumental corrections and geophysical models to determine instantaneous mean sea level....»

Canadian Ice Service, 4.7, Multiple Methods As with CIS contributions in June 2009, 2010, and 2011, the 2012 forecast was derived using a combination of three methods: 1) a qualitative heuristic method based on observed end - of - winter arctic ice thicknesses and extents, as well as an examination of Surface Air Temperature (SAT), Sea Level Pressure (SLP) and vector wind anomaly patterns and trends; 2) an experimental Optimal Filtering Based (OFB) Model, which uses an optimal linear data filter to extrapolate NSIDC's September Arctic Ice Extent time series into the future; and 3) an experimental Multiple Linear Regression (MLR) prediction system that tests ocean, atmosphere and sea ice predictoSea Level Pressure (SLP) and vector wind anomaly patterns and trends; 2) an experimental Optimal Filtering Based (OFB) Model, which uses an optimal linear data filter to extrapolate NSIDC's September Arctic Ice Extent time series into the future; and 3) an experimental Multiple Linear Regression (MLR) prediction system that tests ocean, atmosphere and sea ice predictosea ice predictors.

In agreement with climate models, satellite data and hydrographic observations show that sea level is not rising uniformly around the world.

Dr Hansen told CNN: «In the paleoclimate data, the Cenozoic data is the most alarming — burning all the fossil fuels clearly would send the planet back to the ice - free state with sea level about 250 feet higher.»

At this point, however, most of the evidence indicates some mass loss from the Antarctic continent, Zwally et al is inconsistent with both the GRACE gravity data and estimates of the sea level rise budget, and we need to be careful not to fall prey to «single - study syndrome».

Dr. Ringot, an Antarctic and Greenland specialist and coauthor on Hansen's recent paper on sea level rise, claimed that their data indicated that the West Antarctic Ice Sheet alone would melt in decades to centuries with a sea level rise of at least 10 feet.

Fig. 2 Global sea level from tide gauges (red) and satellite altimeter data (blue, with linear trend line).

As a result, much (perhaps all) of the apparent sea level rise might be due to problems with the data.

Through modeling and with support from paleontological data, Levermann et al. (10) found a roughly linear global mean sea - level increase of 2.3 m per 1 °C warming within a time - envelope of the next 2,000 y.

Whatever the true linear increasing rate of the present global sea level rise is, a look on the data after subtracting a linear function of +3.2 mm per year from the Colorado sea level data shows a remarkable oscillation of about ~ 6.15 periods per year, because this is twice the synodic frequency of Mercury, Earth and Jupiter, with the frequencies of Mercury (4.15204 y ^ -1), Earth (0.9998 y ^ -1) and Jupiter (0.084317 y ^ -1): F = 2 * (4.15204 — 0.99998 — 0.

Despite the various problems with the tidal gauge data, it is possible that the various estimates of global sea level trends of 1 - 2 or maybe 2 - 3 mm / year might coincidentally be correct.

We will also find that there are a number of serious problems with the available sea level data.

Given the increased levels of certainty regarding human - induced global warming (from 90 to 95 %), more robust projections on sea - level rise and data on melting of ice sheets, and the «carbon budget» for staying below the 2 °C target, the WGI conclusions together with other AR5 component reports are likely to put more pressure on the UNFCCC parties to deliver by 2015 an ambitious agreement that is capable of preventing dangerous anthropogenic interference with the climate system.

When estimating the global contribution of glaciers to sea level by multiplying the values measured in the field with the area of the respective region, a representativeness of 1.0 is assumed for the field data.

In fact, so slowly has sea level been rising that environmental - extremist scientists have tampered with the raw data by adding an imagined (and imaginary) «global isostatic adjustment», torturing the data until they show a rate of sea - level rise that has not in reality occurred.

Lorraine Lisiecki and Maureen Raymo (2005) @ 18O benthic cores: http://onlinelibrary.wiley.com/doi/10.1029/2004PA001071/epdf The data correlate with sea level only in the sense of thermal response.

The data aligns with the current rate of sea level rise of about 3 millimeters or 0.1 inches per year.