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Dissertations / Theses on the topic 'Elevation dependent climate change'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Chimborazo, Oscar. "Projected Changes in Climate, Elevation-Dependent Warming, and Extreme Events over Continental Ecuador for the Period 2041-2070." Thesis, State University of New York at Albany, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=13419110.

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<p> The climate over Ecuador is complex due to several interacting factors, such as its location at the equator, the Andean topography, and several modes of internal variability, including the El Niño–Southern Oscillation (ENSO), affecting the region. In addition, the rapid increase in greenhouse gas concentrations will continue to affect both the mean state and climate variability in Ecuador over the coming decades. Hence, a thorough understanding of both natural and anthropogenic forcings and how they combine to influence Ecuadorian climate is a necessity for decision-making and

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2

Candela, Salvatore G. "Greenland Ice Sheet Changes in Rates of Surface Elevation Change between 1978 and 2015." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1543498988161871.

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3

Forster, Johanna. "Vulnerability of tourism-dependent Caribbean islands to climate change." Thesis, University of East Anglia, 2010. https://ueaeprints.uea.ac.uk/19103/.

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4

Bolus, Cosman. "The distribution and population structure of Aloe pillansii in South Africa, in relation to climate and elevation." Bachelor's thesis, University of Cape Town, 2004. http://hdl.handle.net/11427/26026.

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South Africa comprises almost 10% of known plant species and also has the only arid zone "hotspot" defined worldwide, namely the succulent Karoo. Anthropogenic climate change predictions for South Africa suggest rapid climate change in the next 50 years will have adverse effects on its vegetation biomes. This study shows how the aborescent succulent, Aloe pillansii, has a limited distribution due significantly to environmental and climatic variables and therefore it is potentially at risk given anthropogenic climate change predictions. The total South African A. pillansii population investigat

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5

Townsend, Amanda. "Tracking the time-dependent evolution of extremes under climate change." Thesis, University of East Anglia, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.439861.

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6

Curti, Julie M. (Julie Marie). "Strategies for equitable climate change adaptation : lessons from buyback and elevation programs in Rhode Island." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/98928.

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Thesis: M.C.P., Massachusetts Institute of Technology, Department of Urban Studies and Planning, 2015.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 114-119).<br>As the impacts of climate change become more pronounced, many coastal and riverine communities in the United States will face severe flooding from sea level rise and increased frequency of storms. From a municipal perspective, pl

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Tiller, Jenna Renee. "Using Elevation to Test Effects of Winter Climate Change on Fates of Litter-Derived Nitrogen." Miami University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=miami151196764477985.

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8

Duncan, Kyle. "Reconstructing surface elevation changes for the Greenland Ice Sheet (1993-2013) and analysis of Zachariae Isstrom, northeast Greenland." Thesis, State University of New York at Buffalo, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=1600748.

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<p> Previous studies investigating the velocity and elevation change records of the Greenland Ice Sheet (GrIS) revealed rapid and complex changes. It is therefore imperative to determine changes with both high spatial and temporal resolutions. By fusing multiple laser altimetry data sets, the Surface Elevation Reconstruction and Change (SERAC) program is capable of reconstructing surface elevation changes with high spatial and temporal resolution over the entire GrIS. The input data include observations from NASA’s Ice, Cloud and land Elevation Satellite (ICESat) mission (2003-2009) as w

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9

Henderson, Amanda, and Amanda Henderson. "Productivity of Montane Meadows in a Warming World: Evidence from an Elevation Gradient and a Warming Experiment." Thesis, The University of Arizona, 2016. http://hdl.handle.net/10150/622892.

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Climate change is expected to disproportionately impact high elevation ecosystems by disrupting current temperature and precipitation regimes. The future carbon balance of these systems is uncertain, given the interplay between longer growing season length and the potential for increased drought. Currently, the most robust inferences about ecosystem responses to changing climate come from the integration of experimental and observational methods. In this thesis, I utilize evidence from a warming experiment and an elevational gradient to gain insights into how aspects of ecosystem productivity

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10

Humagain, Kamal. "Examining Land Use/Land Cover Change and Potential Causal Factors in the Context of Climate Change in Sagarmatha National Park, Nepal." TopSCHOLAR®, 2012. http://digitalcommons.wku.edu/theses/1218.

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In the context of growing tourism and global warming, the fragile landscape of the Himalayas is under immense pressure because of rapid land cover changes in developing countries like Nepal. Remotely sensed data combined with ethnographic knowledge are useful tools for studying such changes. The quantitative change can be measured analyzing satellite images whereas local people’s perceptions provide supportive information. To measure such changes in Sagarmatha National Park of Nepal, Multispectral Scanner (MSS) and Thematic Mapper (TM) images since 1972 were used. Normalized Difference Vegetat

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11

ROCCHIA, EMANUEL. "Temporal variation of species distribution and species morphological traits along altitude in the Alps." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2016. http://hdl.handle.net/10281/131144.

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Many species have shown recent shifts in their distribution in response to environmental changes, in particular to climate change, mostly moving towards higher latitudes and/or altitudes. In this framework, it’s crucial to determine temporal variation in species occurrence or abundance along altitudinal gradients in order to detect changes in altitudinal shifts and to assess sensitivity of mountain species to land use and climate change. The main purpose of the research was to detect temporal changes in species distribution along altitudinal gradients in the Alps at different levels of ecolog

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Perry, Alison L. "Regional scale impacts of climate change on coral reefs and fishing-dependent countries." Thesis, University of East Anglia, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.445532.

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13

Giusti, Andrea. "Impact of climate changes on groundwater levels and dependent ecosystems." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018.

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Groundwater is naturally present below the ground level and is a fundamental resource which supports the activity of the surface-level ecosystems. In the semiarid region of Portugal the vegetation ecosystems have been adapted by developing root systems which enable them to access deep soil water to cope with recurring droughts. As a result of environmental changes linked to climate change, water availability in the soil is expected to decrease as consequence of temperature increment and decline in precipitation. These changes will cause a drop in the aquifer recharge and phreatic level with po

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14

Wheelock-Davis, Emily J. "Elevation Changes in Greenland over Two Decades from Cross-Platform LIDAR Analysis." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1366223499.

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15

Miles, Luke G. "Global Digital Elevation Model Accuracy Assessment in the Himalaya, Nepal." TopSCHOLAR®, 2013. http://digitalcommons.wku.edu/theses/1313.

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Digital Elevation Models (DEMs) are digital representations of surface topography or terrain. Collection of DEM data can be done directly through surveying and taking ground control point (GCP) data in the field or indirectly with remote sensing using a variety of techniques. The accuracies of DEM data can be problematic, especially in rugged terrain or when differing data acquisition techniques are combined. For the present study, ground data were taken in various protected areas in the mountainous regions of Nepal. Elevation, slope, and aspect were measured at nearly 2000 locations. These gr

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Losey, Ashley K. "Risk and Climate at High Elevation: A Z-score Model Case Study for Prehistoric Human Occupation of Wyoming's Wind River Range." DigitalCommons@USU, 2013. https://digitalcommons.usu.edu/etd/1956.

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Holocene climate likely influenced prehistoric hunter-gatherer subsistence and mobility as changing climate patterns affected food resources. Of interest here is whether climate-driven resource variability influenced peoples in the central Rocky Mountains. This study employed the z-score model to predict how foragers coped with resource variability. The exercise enabled exploration of the relationship between climate, resources, and foraging strategies at High Rise Village (48FR5891), an alpine residential site in Wyoming's Wind River Range occupied between 2800-250 cal B.P. The test was appli

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Duba, Tania. "Climate and environmental change along the East Coast of South Africa: perspectives from a local marine resource- dependent community and scientific researchers." Master's thesis, Faculty of Science, 2019. http://hdl.handle.net/11427/31358.

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Coastal areas are very susceptible to environmental problems such as sea-level rise, coastal flooding, increased frequency and intensity of extreme events, and changes in marine ecosystems that are arising from global climate change and variability. In the South African context, the Agulhas Current is important for its crucial role in regional climate and weather as well as the fishing livelihood of the coastal communities along the east coast of South Africa. Despite the efforts made to understand the Agulhas Current and the impacts of climate and environmental change, the shelf region remain

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Schwoerer, Monette. "Relating climate change to the nesting phenology and nest environment of marine turtles." Master's thesis, University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/6015.

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Ectotherms (including marine turtles) being especially sensitive to climate, are at risk to the accelerated rate of human-driven climate change. This study addresses two concerns associated with marine turtles and climate change – the relationship between the timing of marine turtle nesting and sea surface temperature; and the concern over the feminization of marine turtle populations due to rising sand temperatures. Previous studies of loggerhead sea turtles (Caretta caretta) and green sea turtles (Chelonia mydas) have documented the relationship between sea surface temperatures and nesting p

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19

Kiefer, John. "Climate Change and Winter Tourism Dependent Economies: Hedonic Estimates for Air Travel and Weather for Ski Resorts." Scholarship @ Claremont, 2018. http://scholarship.claremont.edu/cmc_theses/1839.

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This paper formally analyzes the role of yearly snowfall in explaining the changes in home valuations near ski resorts in the western United States. Using data on housing values for selected U.S. Census tracts, combined with detailed weather data, passenger arrival data from 10% of all commercial air traffic, and characteristics of nearby ski resorts, I find precise and consistent estimates of days of snowfall and number of available destinations by airport on housing values.

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20

Bhople, Parag [Verfasser]. "Effects of climate change on fungal community structure and organic matter turnover in soil profiles along elevation gradients in alpine ecosystems / Parag Bhople." Kassel : Universitätsbibliothek Kassel, 2020. http://d-nb.info/1214841066/34.

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21

Stone, Philippa Mary Rose. "Response of rainforest trees to climate warming along an elevational gradient in the Peruvian Andes." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/31560.

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The tropical rainforests of the Peruvian Andes are some of the most biodiverse and most vulnerable to climate warming in the world. The Andes are predicted to experience substantial increases in warming of between +2 °C to +5 °C by the end of the century, in addition to an increases in the frequency of high temperature extremes, drought and flood events. The response of these forests to climate change over the next century has global relevance, due to the high levels of endemic species present and the potential role these areas will play as refugia for lowland species. Despite this, the respon

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Thakuri, S. "COUPLING GLACIO-HYDROLOGICAL RESPONSE TO CLIMATE VARIABILITY IN MT EVEREST REGION IN CENTRAL HIMALAYA." Doctoral thesis, Università degli Studi di Milano, 2015. http://hdl.handle.net/2434/265430.

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Mt. Everest region in the central Himalaya is one of the most heavily glacierized parts of the Himalaya that is characterized by large debris-covered glaciers and many glacial lakes. The glaciers and ice are important sources of fresh water and play vital role in modulating the climate and the hydrological process. Previous studies from different parts of the Himalaya and around the world have revealed climate change at regional and global-scale and in general, shrinking of glaciers and ice caps. Climate change is thus, expected to impact in many ways to Cryosphere, hydrological process, and h

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23

Enqvist, Johan. "Involving forest-dependent communities in climate change mitigation : Obstacles and opportunities for successful implementation of a REDD mechanism in Babati District, Tanzania." Thesis, Södertörn University College, School of Life Sciences, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:sh:diva-3549.

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<p>The aim of this thesis is to identify how forest management in Tanzania can contribute to global climate change mitigation while improving livelihoods of forest-dependent communities.</p><p>A mechanism for reducing emissions from deforestation and forest degradation (REDD) is meant to slow increases of atmospheric CO<sub>2</sub> while channelling funds to developing countries. In Tanzania, pioneering work in participatory forest management (PFM) has promoted local-level control over forest resource use. The purpose of this study is to contribute to a linkage between REDD and PFM that maximi

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24

Sharma, Subedi Abhijit. "Quantification of the Effect of Bridge Pier Encasement on Headwater Elevation Using HEC-RAS." Youngstown State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1502982013572665.

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25

Foley, Duncan K., Armon Rezai, and Lance Taylor. "The social cost of carbon emissions: Seven propositions." Elsevier, 2013. http://epub.wu.ac.at/4021/1/RezaiSeven.pdf.

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Determining the social cost of carbon emissions (SCC) is a crucial step in the economic analysis of climate change policy as the US government's recent decision to use a range of estimates of the SCC centered at $77/tC (or, equivalently, $21/tCO2) in cost-benefit analyses of proposed emission-control legislation underlines. This note reviews the welfare economics theory fundamental to the estimation of the SCC in both static and intertemporal contexts, examining the effects of assumptions about the typical agent's pure rate of time preference and elasticity of marginal felicity of consumption

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Duah, Anthony A. "Sustainable utilisation of Table Mountain Group aquifers." Thesis, University of the Western Cape, 2010. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_2705_1373463070.

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<p>The Table Mountain Group (TMG) Formation is the lowest member of the Cape Supergroup which consists of sediments deposited from early Ordovician to early Carboniferous times, approximately between 500 and 340 million years ago. The Table Mountain Group (TMG) aquifer system is&nbsp<br>exposed along the west and south coasts of South Africa. It is a regional fractured rock aquifer that has become a major source of bulk water supply to&nbsp<br>meet the agricultural and urban water requirements of the Western and Eastern Cape Provinces of South Africa. The TMG aquifer system comprises of an app

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27

Rosenblatt, Connor James. "Integrated Population Modeling of Northern Bobwhite and Co-occupancy with Open-land-Dependent Birds in Southern Ohio." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1588245826169158.

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28

Strand, Linn Beate. "The influence of ambient temperature on birth outcomes in Brisbane, Australia." Thesis, Queensland University of Technology, 2011. https://eprints.qut.edu.au/47005/1/Linn_Beate_Strand.pdf.

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Lately, there has been increasing interest in the association between temperature and adverse birth outcomes including preterm birth (PTB) and stillbirth. PTB is a major predictor of many diseases later in life, and stillbirth is a devastating event for parents and families. The aim of this study was to assess the seasonal pattern of adverse birth outcomes, and to examine possible associations of maternal exposure to temperature with PTB and stillbirth. We also aimed to identify if there were any periods of the pregnancy where exposure to temperature was particularly harmful. A retrospective

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Reckin, Rachel Jean. "Mountains as crossroads : temporal and spatial patterns of high elevation activity in the Greater Yellowstone ecosystem, USA." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/278102.

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In the archaeological literature, mountains are often portrayed as the boundaries between inhabited spaces. Yet occupying high elevations may have been an adaptive choice for ancient peoples, as rapidly changing elevations also offer variation in climate and resources over a relatively small area. So what happens, instead, if we put mountain landscapes at the center of our analyses of prehistoric seasonal rounds and ecological adaptation? This Ph.D. argues that, in order to understand any landscape that includes mountains, from the Alps to the Andes, one must include the ecology and archaeolog

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Bonnaventure, Philip P. "High-resolution Permafrost Distribution Modelling for the Central and Southern Yukon, and Northwestern British Columbia, Canada." Thèse, Université d'Ottawa / University of Ottawa, 2011. http://hdl.handle.net/10393/19899.

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Basal Temperature of Snow (BTS) measurements were used as the primary inputs to a high resolution (30 x 30 m grid cells) empirical-statistical regional permafrost probability model for the southern and central Yukon, and northernmost British Columbia (59° - 65°N). Data from seven individual study areas distributed across the region were combined using a blended distance decay technique, with an eighth area used for validation. The model predictions are reasonably consistent with previous permafrost maps for the area with some notable differences and a much higher level of detail. The modelling

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Aykanat, Gokben. "Effects Of Precipitation Recharge And Artificial Discharge On Salt Water-fresh Water Interface Movement In Selcuk Sub-basin: Climatic Indications." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613027/index.pdf.

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Fluctuations in temperature and precipitation amounts due to climate change influence recharge rate of groundwater. Any variations in the amount of precipitation recharge and artificial discharge directly affect groundwater level and so the salt water intrusion rate in the aquifers, which are in contact with sea water. The purpose of this study is to determine the overall historical precipitation recharge trend in Sel&ccedil<br>uk sub-basin and to detect whether there is a decrease or increase in recharge amounts due to climate change since 1100 BC. Besides, it covers assessing the future posi

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Cordier, Tristan. "Structure des assemblages fongiques de la phyllosphère des arbres forestiers et effet potentiel du changement climatique." Thesis, Bordeaux 1, 2012. http://www.theses.fr/2012BOR14511/document.

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La phyllosphère est l’habitat fourni par la partie foliaire des plantes. De nombreuses espèces microbiennes - pathogènes, saprophytes ou mutualistes des plantes - peuplent cet environnement. Ce compartiment microbien influence donc la dynamique et la structure des communautés végétales. L’objectif principal de cette thèse était d’étudier les effets potentiels du changement climatique sur la structure des assemblages fongiques de la phyllosphère des arbres forestiers, et sur la niche écologique des espèces fongiques pathogènes des arbres forestiers. Nous avons pour cela utilisé deux approches,

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Bodin, Jeanne. "Observed changes in mountain vegetation of the Alps during the XXth century - Role of climate and land-use changes." Phd thesis, Université Henri Poincaré - Nancy I, 2010. http://tel.archives-ouvertes.fr/tel-00592144.

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La végétation herbacée est un bon indicateur des conditions environnementales. Pour cette raison, elle a souvent été utilisée pour mettre en évidence les changements environnementaux causés par les actions humaines, tels qu'eutrophisation, dépôts atmosphériques acides, changements de l'usage des sols ou de la pression d'herbivorie. Depuis peu, on s'intéresse aux effets des changements climatiques sur les écosystèmes en général, et sur la végétation en particulier. Le choix des zones d'étude s'est naturellement porté sur la montagne, car le gradient thermique induit par le relief (-0,56°C pour

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34

Toräng, Per. "Pollinators, Enemies, Drought, and the Evolution of Reproductive Traits in Primula farinosa." Doctoral thesis, Uppsala universitet, Växtekologi och evolution, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-8207.

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In this thesis, I combined comparative and experimental approaches to examine selection on reproductive traits and population differentiation in the insect-pollinated, self-incompatible, perennial herb Primula farinosa. More specifically, I (1) determined whether the effects of floral display and interactions with pollinators and seed predators, and plant reproductive success were frequency-dependent and affected by surrounding vegetation context, (2) examined the consequences of intermittent drought years on population dynamics using numerical simulations based on demographic data collected o

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Quenta, Herrera Estefania. "Structure multi-échelles de la biodiversité aquatique d'écosystèmes alpins sous l'influence du changement climatique." Thesis, Tours, 2017. http://www.theses.fr/2017TOUR4015/document.

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En combinant des approches empiriques et expérimentales, nous avons évalué les effets de trois composantes du changement climatique sur la biodiversité aquatique alpine: le recouvrement glaciaire, le gradient altitudinal et la température de l'eau. Nous avons montré que: 1) Les niveaux intermédiaires de recouvrement glaciaire génèrent une hétérogénéité environnementale élevée associée à une plus grande diversité locale du zooplancton. 13% de la diversité régionale est limitée aux tourbières aux bassins fortement englacés, et pourrait être amenée à disparaître avec le réchauffement. 2) Les filt

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Lindbäck, Katrin. "Hydrology and Bed Topography of the Greenland Ice Sheet : Last known surroundings." Doctoral thesis, Uppsala universitet, Luft-, vatten och landskapslära, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-259076.

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The increased temperatures in the Arctic accelerate the loss of land based ice stored in glaciers. The Greenland Ice Sheet is the largest ice mass in the Northern Hemisphere and holds ~10% of all the freshwater on Earth, equivalent to ~7 metres of global sea level rise. A few decades ago, the mass balance of the Greenland Ice Sheet was poorly known and assumed to have little impact on global sea level rise. The development of regional climate models and remote sensing of the ice sheet during the past decade have revealed a significant mass loss. To monitor how the Greenland Ice Sheet will affe

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Lee, Elijah H. "Trends in Bat Activity and Occupancy in Yellowstone National Park." Ohio University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1597086319177685.

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Madani, Larijani Kaveh. "Climate change effects on high-elevation hydropower system in California." Diss., 2009. http://proquest.umi.com/pqdweb?did=1987413351&sid=1&Fmt=2&clientId=48051&RQT=309&VName=PQD.

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Mann, David F. "Treeline Responses to Climate Change in High-Elevation Landscapes of Western Montana, U.S.A." 2008. http://trace.tennessee.edu/utk_graddiss/361.

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The purpose of this research was to use whitebark pine trees at three major sites in western Montana to: (1) determine tree species response to climate, (2) reconstruct past climate conditions, (3) determine the effects of climate shifts on treeline, and (4) reconstruct fire history from fire-scar data. I collected samples from whitebark pine and subalpine fir and from remnant whitebark pine in the western Beaverhead-Deerlodge and Lolo National Forests. In the climate response analysis, the Palmer Drought Severity Index (PDSI) had the highest correlations with whitebark pine growth. The strong

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Yuan-TaiTsai and 蔡元泰. "Elevation changes and species distribution model of Rodentia under climate change in Taiwan." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/96865246501283469347.

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碩士<br>國立成功大學<br>生命科學系<br>102<br>Species have been observed to move upward and polewards due to climate warming. However, such evidence is scarce for endotherm or from tropical areas. We investigated whether Taiwan’s Rodentia have moved to higher elevation as expected from climate warming. Mountain temperature in Taiwan has increased for 0.30°C for the past 50 years (1960-2009). For the study period (1925-1933 to 1992-2009), 5 species (56%, out of 9 species in consideration) shifted their upper elevational boundary upward; 7 species (64%, out of 11 species in consideration) contracted their low

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Foreo, Medina German Andres. "Elevational Range Shifts Driven by Climate Change in Tropical Mountains: Assessment and Conservation Opportunities." Diss., 2012. http://hdl.handle.net/10161/5598.

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<p>Global climate change can cause shifts in species distributions, and increases in some of their competitors, predators, and diseases that might even cause their extinction. Species may respond to a warming climate by moving to higher latitudes or elevations. Shifts in geographic ranges are common responses in temperate regions. For the tropics, latitudinal temperature gradients are shallow: the only escape for species may be to move to higher elevations. There are few data to suggest that they do, and our understanding of the process is still very limited. Yet, the greatest loss of species

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Toledo, Rodriguez Frances. "Pterocarpus officinalis Dominated Wetlands and Dependent Fauna." Thesis, 2013. http://hdl.handle.net/1969.1/151294.

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Pterocarpus officinalis dominated forests are a rare ecosystem, found only in fifteen locations in Puerto Rico, all of which are adjacent to the coast and at risk from sea level rise, as well as nutrient pollution, upstream hydrological modifications, and deforestation. All forests of this type that were located further inland were destroyed by agricultural development during the early decades of the 1900’s, in particular to grow sugarcane. Prior to this study, there was little information on the diversity of organisms that live in these forests. The central objective of this proposal was to

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Cline, Marie. "Landscape Scale Impacts of Sea Level Rise and Elevation Changes Along the Matagorda Fault in Matagorda, Texas." Thesis, 2012. http://hdl.handle.net/1969.1/ETD-TAMU-2012-08-11643.

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Movement of growth faults, a type of normal fault which is formed during sedimentation and is characterized by having greater vertical thickness on the downthrown fault side, on barrier islands contributes to wetland losses. The opening objective of this study was to quantify land cover change within a Matagorda, Texas wetland that results from sea level rise and elevation change over time due to coastal faulting. The closing objective of this study was to simulate land cover conversion as a function of relative sea level rise (RSLR) within the wetland and to compare and contrast the impact o

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Duclos, Timothy. "DIRECT AND INDIRECT EFFECTS OF CLIMATE ON BIRD ABUNDANCE ALONG ELEVATION GRADIENTS IN THE NORTHERN APPALACHIANS." 2017. https://scholarworks.umass.edu/masters_theses_2/555.

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The stratification of bird species along elevational gradients is widely reported, with montane bird communities typically characterized by distinctive species occurring in relatively small and isolated populations; as such, these species are the subject of considerable interest to ecologists and conservationists. The stratification of species along elevation is largely attributed to compressed climatic zonation. Recent evidence that bird species are shifting up in elevation has fueled speculation that these species are tracking their climactic niches in response to climate change. However, th

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"Snow Level Elevation over the Western United States: An Analysis of Variability and Trend." Doctoral diss., 2011. http://hdl.handle.net/2286/R.I.8864.

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abstract: Many previous investigators highlight the importance of snowfall to the water supply of the western United States (US). Consequently, the variability of snowpack, snowmelt, and snowfall has been studied extensively. Snow level (the elevation that rainfall transitions to snowfall) directly influences the spatial extent of snowfall and has received little attention in the climate literature. In this study, the relationships between snow level and El Niño-Southern Oscillation (ENSO) as well as Pacific Decadal Oscillation (PDO) are established. The contributions of ENSO/PDO to observed m

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Wheeler, Jeanette. "Temperature-dependent butterfly dynamics." Master's thesis, 2010. http://hdl.handle.net/10048/1546.

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Climate change is currently a central problem in ecology, with far-reaching effects on species that may be diffcult to quantify. Ectothermic species which rely on environmental cues to complete successive stages of their life history are especially sensitive to temperature changes and so are good indicators of the impacts of climate change on ecosystems. Based on data collected in growth experiments for the alpine butterfly Parnassius smintheus (Rocky Mountain Apollo), a novel mathematical model is presented to study developmental rate in larval insects. The movement of an individual through

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Peng, Lizhengli. "Spatial time-dependent reliability analysis of carbonation induced corrosion damage to RC structures under a changing climate and cost-benefit analysis of climate adaptation strategies." Thesis, 2015. http://hdl.handle.net/1959.13/1296459.

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Research Doctorate - Doctor of Philosophy (PhD)<br>The long term performance of infrastructure is an important consideration for asset owners, particularly in relation to reinforced concrete (RC) structures subject to corrosion. This thesis focuses on management of RC structures subject to carbonation induced corrosion under a changing climate. A changing climate may lead to increases in atmospheric CO₂concentration, and changes in temperature and relative humidity (RH), especially in the longer term, will accelerate the deterioration processes and consequently decline the safety, serviceabili

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DeLuca, William V. "Ecology and Conservation of the Montane Forest Avian Community in Northeastern North America." 2013. https://scholarworks.umass.edu/open_access_dissertations/685.

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Montane forests provide habitat for unique assemblages of flora and fauna that contribute significantly to a region’s biodiversity. Previous work indicates that montane forest ecosystems are exceedingly vulnerable to a host of anthropogenic stressors including climate change, atmospheric deposition, and recreation, to name a few. Montane forests and other high elevation ecosystems are considered to be among the first and most severely impacted by climate change. It is therefore, imperative to evaluate anthropogenic impacts on montane ecosystems and maintain reliable monitoring methods that are

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Tanabe, Lyndsey K. "Sand temperature profiles at turtle nesting sites in the Red Sea: implications for hatchling sex ratios." Thesis, 2018. http://hdl.handle.net/10754/630220.

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Climate change poses a serious threat to species that demonstrate temperature dependent sex determination (TDS), including marine turtles. Increased temperatures can result in highly female skewed sex ratios and decreased hatchling success. In situ sand temperature data was collected from the nesting depth of hawksbill and green turtles at five study sites along the coast of the Red Sea. The sand temperature profile at four of the sites exceeded the pivotal temperature of 29.2°C (commonly cited in literature) throughout the study duration, which suggests feminization of turtles could be occur

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Comeaux, Rebecca Suzanne. "Black mangrove (Avicennia sp.) colony expansion in the Gulf of Mexico with climate change : implications for wetland health and resistance to rising sea levels." Thesis, 2010. http://hdl.handle.net/2152/ETD-UT-2010-12-2424.

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Populations of black mangroves (Avicennia sp.) are hypothesized to expand their latitudinal range with global climate change in the 21st century, induced by a reduction in the frequency and severity of coastal freezes, which are known to limit mangrove colony extent and individual tree size, as well as an overall warmer climate. The Gulf of Mexico is located at the northward limit of black mangrove habitat and is therefore a prime candidate for population expansion with global warming. This expansion may come at the expense of existing Gulf coastal saline wetlands that are dominantly Spartina

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