Climate Change Up Close And Personal: Impacts On Hampton Roads Region,
2012
NASA Langley Research Center
Climate Change Up Close And Personal: Impacts On Hampton Roads Region, Russell De Young
November 16, 2012: Best Practices for Adapting to Sea Level Rise and Flooding
No abstract provided.
Forum Notes: Land Use And Planning Breakout Group,
2012
Old Dominion University
Forum Notes: Land Use And Planning Breakout Group, Hr Adaptation Forum
November 16, 2012: Best Practices for Adapting to Sea Level Rise and Flooding
No abstract provided.
Forum Notes: Emergency Management,
2012
Old Dominion University
Forum Notes: Emergency Management, Hr Adaptation Forum
November 16, 2012: Best Practices for Adapting to Sea Level Rise and Flooding
No abstract provided.
Adaptation Practices And Lessons Learned,
2012
Virginia Institute of Marine Science
Adaptation Practices And Lessons Learned, Molly Mitchell
November 16, 2012: Best Practices for Adapting to Sea Level Rise and Flooding
No abstract provided.
Sea Level Rise (Slr) Acceleration In The Hampton Roads: A Scientific Perspective,
2012
Old Dominion University
Sea Level Rise (Slr) Acceleration In The Hampton Roads: A Scientific Perspective, Tal Ezer, Larry Atkinson
November 16, 2012: Best Practices for Adapting to Sea Level Rise and Flooding
No abstract provided.
Overview Of The 2007 And 2008 Campaigns Conducted As Part Of The Greenland Summit Halogen-HoX Experiment (Gshox),
2012
University of California, Los Angeles
Overview Of The 2007 And 2008 Campaigns Conducted As Part Of The Greenland Summit Halogen-HoX Experiment (Gshox), J L. Thomas, Jack E. Dibb, J Stutz, R Von Glasow, Steve Brooks, L Gregory Huey, Barry Lefer
Earth Sciences
From 10 May through 17 June 2007 and 6 June through 9 July 2008 intensive sampling campaigns at Summit, Greenland confirmed that active bromine chemistry is occurring in and above the snow pack at the highest part of the Greenland ice sheet (72°36´ N, 38°25´ W and 3.2 km above sea level). Direct measurements found BrO and soluble gas phase Br− mixing ratios in the low pptv range on many days (maxima < 10 pptv). Conversion of up to 200 pg m−3 of gaseous elemental mercury (GEM) to reactive gaseous mercury (RGM) and enhanced OH relative to HO2 plus RO2 confirm that active bromine chemistry is …
Climate Change And International Trade: Conflict Or Opportunity?,
2012
Brookings Institution
Climate Change And International Trade: Conflict Or Opportunity?, Joshua Meltzer
Brookings Scholar Lecture Series
How can international trade negotiations provide incentives or limit progress on domestic and international climate change policy? This presentation will explore how trade negotiations can reduce trade barriers to low carbon produced goods, the implications of the World Trade Organization (WTO) and free trade agreements, and how pricing carbon to reduce greenhouse gas emissions can lead to international competitiveness and carbon leakage concerns. This presentation will consider the implications of the November 6th election on short and long-term climate policy initiatives.
Water Vapor And Temperature Comparisons Between Airs/Amsu-A And In Situ Aircraft Observations From 87°N To 67°S And Sensitivities To Spatial And Temporal Differences,
2012
Princeton University
Water Vapor And Temperature Comparisons Between Airs/Amsu-A And In Situ Aircraft Observations From 87°N To 67°S And Sensitivities To Spatial And Temporal Differences, Minghui Diao, Loayeh Jumbam, Justin Sheffield, Eric Wood, Mark Zondlo
Faculty Publications, Meteorology and Climate Science
No abstract available.
Microbial Effects On The Production And Transformation Of Surfactants Within The Microlayer And Subsurface Waters In Application To Remote Sensing Techniques,
2012
Nova Southeastern University
Microbial Effects On The Production And Transformation Of Surfactants Within The Microlayer And Subsurface Waters In Application To Remote Sensing Techniques, Katie E. Vella
HCNSO Student Theses and Dissertations
The sea surface microlayer is a millimeter-scale interfacial layer between the atmosphere and the ocean. A number of studies have suggested that there is a unique ecosystem for marine bacteria in the sea surface microlayer, but little information exists on the microbial community composition of this ecosystem due to sampling complexities. In this work, we present an improved method to sample and compare the bacterial diversity of the sea surface microlayer with that of subsurface water at the same site. Bacterial samples were collected from the sea surface microlayer with a sampling method, which minimized sample contamination from the research …
Climate Change And The Water Crisis In Israel,
2012
California Polytechnic State University, San Luis Obispo
Climate Change And The Water Crisis In Israel, Lauren Deutsch
Natural Resources Management and Environmental Sciences
Israel’s water crisis is controlled by the availability and location of water resources that are affected by climate change and geopolitics in southwest Asia. Conflict between Israel and the Palestinian occupied territories in the Gaza Strip and the West Bank have put strains on the allocation of water recourses. The goal of this research was to model how much a change in climate will affect the amount of available freshwater in Israel. Intensive research taken from Israel and the occupied territories was carried out to understand how the amount of precipitation, rainfall, and the rate of evaporation is affected by …
Episodic Recruitment And Climate Analysis Of Ponderosa Pine On The Palmer Divide, Eastern Colorado,
2012
University of Denver
Episodic Recruitment And Climate Analysis Of Ponderosa Pine On The Palmer Divide, Eastern Colorado, William Henry Brenton Jr.
Electronic Theses and Dissertations
Previous recruitment studies on populations of ponderosa pine (Pinus ponderosa P. & C. Lawson) in Colorado have been limited to the western mountains and the Front Range. In this research I used tree-ring data to reconstruct recruitment for ponderosa pine near the eastern limits of its distribution at two sites on the Palmer Divide, Eastern Colorado, to determine the relative climate sensitivity of the two sites, and the extent to which climate or other factors may have influenced recruitment at the sites. The results of the tree-ring analysis suggest that ponderosa pines in more the easterly site lower elevation …
Air-Sea Interface In Hurricane Conditions,
2012
Nova Southeastern University; University of Miami
Air-Sea Interface In Hurricane Conditions, Alexander Soloviev, A. Fujimura, Silvia Matt
Marine & Environmental Sciences Faculty Articles
Improving hurricane prediction models requires better understanding of complex processes taking place at the air-sea interface at high wind speeds. The change of the air-sea interaction regime in hurricane conditions has been linked to the mechanism of direct disruption of the air-sea interface by pressure fluctuations working against the surface tension force. This can be achieved through the Kelvin-Helmholtz type instability. In order to investigate this mechanism, we have conducted a series of 3D numerical experiments using a volume of fluid multiphase model. The experiments were initialized with either a flat interface or short wavelets and wind stress applied at …
Spectral Absorption Of Biomass Burning Aerosol Determined From Retrieved Single Scattering Albedo During Arctas,
2012
University of New Hampshire - Main Campus
Spectral Absorption Of Biomass Burning Aerosol Determined From Retrieved Single Scattering Albedo During Arctas, C A. Corr, S R. Hall, B E. Anderson, Kirk Ullman, A J. Beyersdorf, Kenn L. Thornhill, Michael J. Cubison, Jose L. Jimenez, Armin Wisthaler, Jack E. Dibb
Earth Sciences
Actinic flux, as well as aerosol chemical and optical properties, were measured aboard the NASA DC-8 aircraft during the ARCTAS (Arctic Research of the Composition of the Troposphere from Aircraft and Satellites) mission in Spring and Summer 2008. These measurements were used in a radiative transfer code to retrieve spectral (350-550 nm) aerosol single scattering albedo (SSA) for biomass burning plumes encountered on 17 April and 29 June. Retrieved SSA values were subsequently used to calculate the absorption Angstrom exponent (AAE) over the 350-500 nm range. Both plumes exhibited enhanced spectral absorption with AAE values that exceeded 1 (6.78 ± …
An Analysis Of Deep Convection Initiation Environments,
2012
University of Nebraska-Lincoln
An Analysis Of Deep Convection Initiation Environments, Noah Lock
Department of Earth and Atmospheric Sciences: Dissertations, Theses, and Student Research
Initiation is the part of the convective life cycle which is currently least understood and least well forecast. The inability to properly forecast the timing and/or location of deep convection initiation degrades forecast skill, especially during the warm season. The goals of this research are examine the spatiotemporal distribution of thunderstorm initiation points and to determine which atmospheric parameters (and ultimately processes) are most important for the initiation of thunderstorms. The spatiotemporal distribution of thunderstorm initiation points shows the expected peaks during summer and during the afternoon. The warm season also produces significant concentrations of initiation points near mountains, mainly …
A Gap Analysis Of Meteorological Requirements For Commercial Space Operators,
2012
Embry-Riddle Aeronautical University
A Gap Analysis Of Meteorological Requirements For Commercial Space Operators, Nicholas J. Stapleton
Doctoral Dissertations and Master's Theses
Commercial space companies will soon be the primary method of launching people and supplies into orbit. Among the critical aspects of space launches are the meteorological concerns. Laws and regulations pertaining to meteorological considerations have been created to ensure the safety of the space industry and those living around spaceports; but, are they adequate? Perhaps the commercial space industry can turn to the commercial aviation industry to help answer that question. Throughout its history, the aviation industry has dealt with lessons learned from mishaps due to failures in understanding the significance of weather impacts on operations. Using lessons from the …
Calibration Of Multibeam Echo Sounders: A Comparison Between Two Methodologies,
2012
University of New Hampshire, Durham
Calibration Of Multibeam Echo Sounders: A Comparison Between Two Methodologies, Carlo Lanzoni, Thomas C. Weber
Center for Coastal and Ocean Mapping
Multibeam echo sounders (MBES) are widely used in applications like seafloor imaging, fisheries, and habitat mapping. Calibration of acoustic backscatter is an important aspect of understanding and validating the performance of a MBES. Combined transmit/receive beampattern calibrations were performed on a 200 kHz Reson Seabat 7125 MBES in the acoustic tank of the University of New Hampshire utilizing two different methodologies. The first methodology employs fixed standard target spheres and a high accuracy/high resolution rotation mechanism. This method, similar to that proposed by Foote et al ["Protocols forcalibrating multibeam sonar", J. Acoust. Soc. Am. 117(4), 2005], is designed for a …
Potentially Polluting Marine Sites Geodb: An S-100 Geospatial Database As An Effective Contribution To The Protection Of The Marine Environment,
2012
University of New Hampshire, Durham
Potentially Polluting Marine Sites Geodb: An S-100 Geospatial Database As An Effective Contribution To The Protection Of The Marine Environment, Giuseppe Masetti, Brian R. Calder, Lee Alexander
Center for Coastal and Ocean Mapping
Potentially Polluting Marine Sites (PPMS) are objects on, or areas of, the seabed that may release pollution in the future. A rationale for, and design of, a geospatial database to inventory and manipu-late PPMS is presented. Built as an S-100 Product Specification, it is specified through human-readable UML diagrams and implemented through machine-readable GML files, and includes auxiliary information such as pollution-control resources and potentially vulnerable sites in order to support analyses of the core data. The design and some aspects of implementation are presented, along with metadata requirements and structure, and a perspective on potential uses of the database.
Characteristics Of Tropospheric Ozone Depletion Events In The Arctic Spring: Analysis Of The Arctas, Arcpac, And Arcions Measurements And Satellite Bro Observations,
2012
Harvard-Smithsonian Center for Astrophysics
Characteristics Of Tropospheric Ozone Depletion Events In The Arctic Spring: Analysis Of The Arctas, Arcpac, And Arcions Measurements And Satellite Bro Observations, T P. Kurosu, Yuhang Wang, T P. Kurosu, K Chance, A Rozanov, A Richter, S J. Oltmans, A M. Thompson, Jonathan Hair, Marta Fenn, Andrew Weinheimer, Thomas B. Ryerson, S Solberg, L Gregory Huey, J Liao, Jack E. Dibb, J A. Neuman, J Nowak, B Pierce, M Natarajan, J Al-Saadi
Earth Sciences
Arctic ozone depletion events (ODEs) are caused by halogen catalyzed ozone loss. In situ chemistry, advection of ozone-poor air mass, and vertical mixing in the lower troposphere are important factors affecting ODEs. To better characterize the ODEs, we analyze the combined set of surface, ozonesonde, and aircraft in situ measurements of ozone and bromine compounds during the Arctic Research of the Composition of the Troposphere from Aircraft and Satellites (ARCTAS), the Aerosol, Radiation, and Cloud Processes affecting Arctic Climate (ARCPAC), and the Arctic Intensive Ozonesonde Network Study (ARCIONS) experiments (April 2008). Tropospheric BrO columns retrieved from satellite measurements and back …
Short Period Gravity Waves In The Arctic Atmosphere Over Alaska,
2012
Utah State University
Short Period Gravity Waves In The Arctic Atmosphere Over Alaska, Michael Negale, Kim Nielsen, Michael J. Taylor, Britta Irving, Richard Collins
Physics Student Research
The propagation nature and sources of short-period gravity waves have been studied extensively at low and mid-latitudes, while their extent and nature at the polar regions are less known. During the last decade, observations from select sites on the Antarctic continent have revealed a significant presence of these waves over the southern Polar Region as well as shown unexpected dynamical behavior. In contrast, observations over the Arctic region are few and the dynamical behavior is unknown. A recent project was initiated in January 2011 to investigate the presence and dynamics of these waves over interior Alaska. This site provides an …
Water: Conserving Our Most Precious Resource,
2012
Ditchley Foundation
Water: Conserving Our Most Precious Resource, John Holmes Gcvo, Kbe, Cmg
Reports (USI)
This was a thoughtful discussion on a vital and still neglected issue. While there was enough fresh water in the world overall, its distribution did not match that of the global population. Climate change, continuing population growth, urbanisation and altered dietary habits were all exacerbating existing problems of fresh water availability. But there was little new action at national or international level, though local and private sector decisions were making a difference in some places. In the end we might have to take the water to the people rather than expecting the people to go to the water, as had …
