Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Extreme weather events in Chesapeake Bay give clues for future climate impacts

02.11.2015

For the millions of people who live in its expansive coastal areas, Chesapeake Bay provides an important source of income and recreational enjoyment. To protect the ecosystem and the livelihood of area residents, it is important to assess how climate variability and change will affect Chesapeake Bay's shallow water ecosystems and water quality.

The intensity, duration, and frequency of extreme temperature- and precipitation-based events are key components to understanding the climate of Chesapeake Bay.


The Chesapeake Bay area, with Baltimore to the north is shown. Image courtesy NASA Goddard Space Flight Center Landsat Data Continuity Mission Education and Public Outreach team (GSFC LDCM EPO).

Credit

NASA Goddard Space Flight Center Landsat Data Continuity Mission Education and Public Outreach team (GSFC LDCM EPO).

Kari Pohl of the Center for Environmental Science at the University of Maryland and colleagues studied these components by calculating 26 extreme climate indices defined by the Expert Team on Climate Change Detection and Indices. She will report their findings at the Annual Meeting of the Geological Society of America on 1 November in Baltimore, Maryland, USA.

"A traditional view of historic climate change is to determine mean annual changes," Pohl explained. "However, organisms do not feel means; they feel the day-to-day variability and extreme events, such as the frequency of warmer-than-normal days."

The goals of the project include reconstructing extreme climate changes from the recent past (1894-2014), using historically referenced data to assess near-future global climate model projections, and to ultimately use this analysis to investigate ecological problems in Chesapeake Bay, such as eelgrass diebacks.

The study saw changes that included an overall decrease in cold events, a higher probability to have a year without a cold spell, and an increase in the annual number of wet days.

These extreme climate indices were strongly correlated to the shallow water environment, including streamflow and water temperature. These linkages will allow insights on how extreme changes could affect environmental boundaries and critical threshold events of vulnerable organisms.

Pohl hopes that studies such as this one "will enhance our general understanding of historical and future extreme climate variability, allowing policy-makers to make better-informed decisions for coastal communities."

###

CONTACT:

Kari Pohl, Center for Environmental Science, University of Maryland
kstlaurent@umces.edu

WHAT:

Session No. 54: Restoring the Nation's Largest Estuary: Lessons Learned from Efforts to Address Changes in Water Quality and Ecosystem Structure and Function within the Context of Landscape Change and Climate Variability in the Chesapeake Bay and Its Watershed
Session hyperlink: https://gsa.confex.com/gsa/2015AM/webprogram/Session37897.html

Paper No. 10: Chesapeake Bay Climate Extremes and Variability: a Recent Past, Present, and Near Future Analysis
Abstract hyperlink: https://gsa.confex.com/gsa/2015AM/webprogram/Paper268364.html

WHEN & WHERE:

Sunday, 1 November 2015: 1:30-5:30 PM
Room 308 (Baltimore Convention Center)
Presentation Time: 3:55 PM

The Geological Society of America, founded in 1888, serves more than 27,000 members from academia, government, and industry in more than 100 countries. Through its meetings, publications, and programs, GSA enhances the professional growth of its members and promotes the geosciences in the service of humankind. GSA encourages cooperative research among earth, life, planetary, and social scientists, fosters public dialogue on geoscience issues, and supports all levels of earth science education.

http://www.geosociety.org/

Christa Stratton | EurekAlert!

More articles from Earth Sciences:

nachricht World’s oldest known oxygen oasis discovered
18.01.2018 | Eberhard Karls Universität Tübingen

nachricht A close-up look at an uncommon underwater eruption
11.01.2018 | Woods Hole Oceanographic Institution

All articles from Earth Sciences >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Artificial agent designs quantum experiments

On the way to an intelligent laboratory, physicists from Innsbruck and Vienna present an artificial agent that autonomously designs quantum experiments. In initial experiments, the system has independently (re)discovered experimental techniques that are nowadays standard in modern quantum optical laboratories. This shows how machines could play a more creative role in research in the future.

We carry smartphones in our pockets, the streets are dotted with semi-autonomous cars, but in the research laboratory experiments are still being designed by...

Im Focus: Scientists decipher key principle behind reaction of metalloenzymes

So-called pre-distorted states accelerate photochemical reactions too

What enables electrons to be transferred swiftly, for example during photosynthesis? An interdisciplinary team of researchers has worked out the details of how...

Im Focus: The first precise measurement of a single molecule's effective charge

For the first time, scientists have precisely measured the effective electrical charge of a single molecule in solution. This fundamental insight of an SNSF Professor could also pave the way for future medical diagnostics.

Electrical charge is one of the key properties that allows molecules to interact. Life itself depends on this phenomenon: many biological processes involve...

Im Focus: Paradigm shift in Paris: Encouraging an holistic view of laser machining

At the JEC World Composite Show in Paris in March 2018, the Fraunhofer Institute for Laser Technology ILT will be focusing on the latest trends and innovations in laser machining of composites. Among other things, researchers at the booth shared with the Aachen Center for Integrative Lightweight Production (AZL) will demonstrate how lasers can be used for joining, structuring, cutting and drilling composite materials.

No other industry has attracted as much public attention to composite materials as the automotive industry, which along with the aerospace industry is a driver...

Im Focus: Room-temperature multiferroic thin films and their properties

Scientists at Tokyo Institute of Technology (Tokyo Tech) and Tohoku University have developed high-quality GFO epitaxial films and systematically investigated their ferroelectric and ferromagnetic properties. They also demonstrated the room-temperature magnetocapacitance effects of these GFO thin films.

Multiferroic materials show magnetically driven ferroelectricity. They are attracting increasing attention because of their fascinating properties such as...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

10th International Symposium: “Advanced Battery Power – Kraftwerk Batterie” Münster, 10-11 April 2018

08.01.2018 | Event News

See, understand and experience the work of the future

11.12.2017 | Event News

Innovative strategies to tackle parasitic worms

08.12.2017 | Event News

 
Latest News

Let the good tubes roll

19.01.2018 | Materials Sciences

How cancer metastasis happens: Researchers reveal a key mechanism

19.01.2018 | Health and Medicine

Meteoritic stardust unlocks timing of supernova dust formation

19.01.2018 | Physics and Astronomy

VideoLinks
B2B-VideoLinks
More VideoLinks >>>