Sentences with phrase «water chemistry data»
The study is the first to use long - term continuous water chemistry data to document hydrological changes over an enormous geographic area and a long time span.
https://www.scientificamerican.com/ Not exact matches
Gathering more detailed data on surface chemistry, the history of liquid water, climate cycles, and the exact constituents of the atmosphere are critical to building a case for — or against — life.
For decades, sensors will gather data on water chemistry, currents, photosynthesis, animal activity, and seafloor eruptions and earthquakes.
By looking at the chemistry of rocks deposited during that time period, specifically coupled carbon and sulfur isotope data, a research team led by University of California, Riverside biogeochemists reports that oxygen - free and hydrogen sulfide - rich waters extended across roughly five percent of the global ocean during this major climatic perturbation — far more than the modern ocean's 0.1 percent but much less than previous estimates for this event.
IMO is leading a European Union — funded effort called FUTUREVOLC to build a comprehensive database of local volcanic data and develop new tools — including new seismic stations, water chemistry samplers, and ground - and airplane - based ash detectors.
For example, as a field - based Environmental Protection Officer you might draw on one of a number of scientific backgrounds: chemistry (assessing chemistry data for environmental discharges), biology (assessing the impact of pollution), or geology (assessing the risk to ground water from a surface - level spillage).
Oceanographic data and water samples also were collected daily to evaluate seawater chemistry, patterns of water circulation and potential connectivity between Cuban reefs and those in the U.S.
Scientists designed Philae and Rosetta to study the chemistry and geology of 67P, providing data that could give scientists clues to how the planets became what they are today and whether comets brought water and other ingredients for life to Earth.
As the LRAUVs move through the ocean, they collect information about water temperature, chemistry, and chlorophyll (an indicator of microscopic algae) and send this data to scientists on shore or on a nearby ship.
In addition to gaining an intimate understanding of life formerly under the ice, the data will serve as a baseline to see how the area changes as sunlight and open water alters the chemistry and new species migrate in.
The new data provide a basis for detecting future change and analyzing trends in surface water chemistry.
Re to: # 1 I'm learning to use the technique at the moment (spatial relations for lakes and water chemistry in Sweden), there are so many ways to do and use PCA and FA so I guess it will take some time to nail it... the two books I found most helpful in the start for multivariate techniques are: Applied Multivariate Methods for Data Analysts, Dallas E. Johnson AND APPLIED MULTIVARIATE TECHNIQUES, SUBHASH SHARMA.
Numerous peer - reviewed publications describe evidence that ocean temperatures are rising and ocean chemistry, especially pH, is changing.5 New observational data from buoys and ships document increasing acidity and aragonite under - saturation (that is, the tendency of calcite and aragonite in shells to dissolve) in Alaskan coastal waters.
A recent study presented the first long data series documenting the impact of melting ice on the water chemistry of a fjord in north east Greenland.
As part of the program, scientists have been collecting data on snow cover, wind, rain, temperatures, fjord water chemistry, glaciers, and populations of musk oxen, spiders, insects, birds, and more from around Greenland for decades.