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https://www.readbyqxmd.com/read/29705434/urbanization-and-climate-change-implications-in-flood-risk-management-developing-an-efficient-decision-support-system-for-flood-susceptibility-mapping
#1
Shereif H Mahmoud, Thian Yew Gan
The effects of urbanization and climate change impact to the flood risk of two governorates in Egypt were analyzed. Non-parametric change point and trend detection algorithms were applied to the annual rainfall, rainfall anomaly, and temperature anomaly of both study sites. Next, change points and trends of the annual and monthly surface runoff data generated by the Curve Number method over 1948-2014 were also analyzed to detect the effects of urbanization on the surface runoff. Lastly, a GIS decision support system was developed to delineate flood susceptibility zones for the two governorates...
April 26, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29593855/novel-3d-geometry-and-models-of-the-lower-regions-of-large-trees-for-use-in-carbon-accounting-of-primary-forests
#2
Christopher Dean, Jamie B Kirkpatrick, Jon Osborn, Richard B Doyle, Nicholas B Fitzgerald, Stephen H Roxburgh
There is high uncertainty in the contribution of land-use change to anthropogenic climate change, especially pertaining to below-ground carbon loss resulting from conversion of primary-to-secondary forest. Soil organic carbon (SOC) and coarse roots are concentrated close to tree trunks, a region usually unmeasured during soil carbon sampling. Soil carbon estimates and their variation with land-use change have not been correspondingly adjusted. Our aim was to deduce allometric equations that will allow improvement of SOC estimates and tree trunk carbon estimates, for primary forest stands that include large trees in rugged terrain...
March 2018: AoB Plants
https://www.readbyqxmd.com/read/29579668/spatially-distributed-potential-evapotranspiration-modeling-and-climate-projections
#3
Salem S Gharbia, Trevor Smullen, Laurence Gill, Paul Johnston, Francesco Pilla
Evapotranspiration integrates energy and mass transfer between the Earth's surface and atmosphere and is the most active mechanism linking the atmosphere, hydrosphsophere, lithosphere and biosphere. This study focuses on the fine resolution modeling and projection of spatially distributed potential evapotranspiration on the large catchment scale as response to climate change. Six potential evapotranspiration designed algorithms, systematically selected based on a structured criteria and data availability, have been applied and then validated to long-term mean monthly data for the Shannon River catchment with a 50m2 cell size...
March 23, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29556796/evaluation-of-climate-induced-waterlogging-hazards-in-the-south-west-coast-of-bangladesh-using-geoinformatics
#4
Syed M Tareq, M Tauhid Ur Rahman, A Z M Zahedul Islam, A B M Baddruzzaman, M Ashraf Ali
Climate-induced waterlogging has been significantly affecting the lives and livelihood of people in the south-west coastal region of Bangladesh for a couple of decades. The objective of this study is to investigate the waterlogging hazards of Tala, a south-western coastal Upazila of Bangladesh by analyzing satellite image. An empirical model based on velocity of flow, depth of flow, and inundation depth has been proposed to assess waterlogging hazard in pre monsoon, monsoon, and post monsoon period. Landsat TM images for the years 1989, 2000, and 2011 were analyzed by using Geoinformatics including GIS and remote sensing techniques to quantify the water hazard...
March 19, 2018: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/29412352/angiostrongylus-spp-in-the-americas-geographical-and-chronological-distribution-of-definitive-hosts-versus-disease-reports
#5
Romina Valente, Maria Del Rosario Robles, Graciela T Navone, Julia I Diaz
BACKGROUND: Angiostrongyliasis is an infection caused by nematode worms of the genus Angiostrongylus. The adult worms inhabit the pulmonary arteries, heart, bronchioles of the lung, or mesenteric arteries of the caecum of definitive host. Of a total of 23 species of Angiostrongylus cited worldwide, only nine were registered in the American Continent. Two species, A. cantonensis and A. costaricensis, are considered zoonoses when the larvae accidentally parasitise man. OBJECTIVES: In the present study, geographical and chronological distribution of definitive hosts of Angiostrongylus in the Americas is analysed in order to observe their relationship with disease reports...
March 2018: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/29169100/the-g2-erosion-model-an-algorithm-for-month-time-step-assessments
#6
REVIEW
Christos G Karydas, Panos Panagos
A detailed description of the G2 erosion model is presented, in order to support potential users. G2 is a complete, quantitative algorithm for mapping soil loss and sediment yield rates on month-time intervals. G2 has been designed to run in a GIS environment, taking input from geodatabases available by European or other international institutions. G2 adopts fundamental equations from the Revised Universal Soil Loss Equation (RUSLE) and the Erosion Potential Method (EPM), especially for rainfall erosivity, soil erodibility, and sediment delivery ratio...
February 2018: Environmental Research
https://www.readbyqxmd.com/read/29128202/multi-hazard-risk-assessment-of-coastal-vulnerability-from-tropical-cyclones-a-gis-based-approach-for-the-odisha-coast
#7
Bishnupriya Sahoo, Prasad K Bhaskaran
The coastal region bordering the East coast of India is a thickly populated belt exposed to high risk and vulnerability from natural hazards such as tropical cyclones. Tropical cyclone frequencies that develop over the Bay of Bengal (average of 5-6 per year) region are much higher as compared to the Arabian Sea thereby posing a high risk factor associated with storm surge, inland inundation, wind gust, intense rainfall, etc. The Odisha State in the East coast of India experiences the highest number of cyclone strikes as compared to West Bengal, Andhra Pradesh, and Tamil Nadu...
January 15, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29091136/chagas-disease-ecoepidemiology-and-environmental-changes-in-northern-minas-gerais-state-brazil
#8
Elisa Neves Vianna, Ricardo José de Paula Souza E Guimarães, Christian Rezende Souza, David Gorla, Liléia Diotaiuti
BACKGROUND: Triatoma sordida and Triatoma pseudomaculata are frequently captured triatomine species in the Brazilian savannah and caatinga biomes, respectively, and in Brazilian domiciles. OBJECTIVES: This study identified eco-epidemiological changes in Chagas disease in northern Minas Gerais state, Brazil, and considered the influence of environmental shifts and both natural and anthropogenic effects. METHODS: Domicile infestation and Trypanosoma cruzi infection rates were obtained from triatomines and sylvatic reservoirs during the following two time periods: the 1980s and 2007/2008...
November 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/29052387/-climate-change-impacts-on-yield-of-cordyceps-sinensis-and-research-on-yield-prediction-model-of-c-sinensis
#9
Shou-Dong Zhu, Lu-Qi Huang, Lan-Ping Guo, Xing-Tian Ma, Qing-Xiu Hao, Zhi-Yong Le, Xiao-Bo Zhang, Guang Yang, Yan Zhang, Mei-Lan Chen
Cordyceps sinensis is a Chinese unique precious herbal material, its genuine producing areas covering Naqu, Changdu in Qinghai Tibet Plateau, Yushu in Qinghai province and other regions. In recent 10 years, C. sinensis resources is decreasing as a result of the blindly and excessively perennial dug. How to rationally protect, develop and utilize of the valuable resources of C. sinensis has been referred to an important field of research on C. sinensis. The ecological environment and climate change trend of Qinghai Tibet plateau happens prior to other regions, which means that the distribution and evolution of C...
April 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29046972/quantitative-assessment-of-urmia-lake-water-using-spaceborne-multisensor-data-and-3d-modeling
#10
Mehrdad Jeihouni, Ara Toomanian, Seyed Kazem Alavipanah, Saeid Hamzeh
Preserving aquatic ecosystems and water resources management is crucial in arid and semi-arid regions for anthropogenic reasons and climate change. In recent decades, the water level of the largest lake in Iran, Urmia Lake, has decreased sharply, which has become a major environmental concern in Iran and the region. The efforts to revive the lake concerns the amount of water required for restoration. This study monitored and assessed Urmia Lake status over a period of 30 years (1984 to 2014) using remotely sensed data...
October 18, 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28967045/quantifying-the-impacts-of-climatic-trend-and-fluctuation-on-crop-yields-in-northern-china
#11
Jianmin Qiao, Deyong Yu, Yupeng Liu
Climate change plays a critical role in crop yield variations, which has attracted a great deal of concern worldwide. However, the mechanisms of how climatic trend and fluctuations affect crop yields are not well understood and need to be further investigated. Thus, using the GIS-based Environmental Policy Integrated Climate (EPIC) model, we simulated the yields of major crops (i.e., wheat, maize, and rice) and evaluated the impacts of climatic factors on crop yields in the Agro-Pastoral Transitional Zone (APTZ) of northern China between 1980 and 2010...
October 1, 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28953478/synergistic-benefits-between-stormwater-management-measures-and-a-new-pricing-system-for-stormwater-in-the-city-of-hamburg
#12
N P Bertram, A Waldhoff, G Bischoff, J Ziegler, F Meinzinger, A-K Skambraks
Hamburg is a growing metropolitan city. The increase in sealed surfaces of about 0.36% per year and the subsequent increased runoff impacts on the city's wastewater infrastructure. Further potential risks to the drainage infrastructure arise also from effects of climate change, e.g. increased intensity and frequency of heavy rainfalls. These challenges were addressed in the Rain InfraStructure Adaption (RISA) project conducted 2009-2015 by HAMBURG WASSER and the State Ministry for Environment and Energy, supported by several municipal stakeholders...
September 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28917170/how-do-climatic-and-management-factors-affect-agricultural-ecosystem-services-a-case-study-in-the-agro-pastoral-transitional-zone-of-northern-china
#13
Jianmin Qiao, Deyong Yu, Jianguo Wu
Agricultural ecosystem management needs to ensure food production and minimize soil erosion and nitrogen (N) leaching under climate change and increasingly intensive human activity. Thus, the mechanisms through which climatic and management factors affect crop production, soil erosion, and N leaching must be understood in order to ensure food security and sustainable agricultural development. In this study, we adopted the GIS-based Environmental Policy Integrated Climate (EPIC) model to simulate crop production, soil erosion, and N leaching, and used a partial least squares regression model to evaluate the contributions of climate variables (solar radiation, precipitation, wind speed, relative humidity, and maximum and minimum temperature) and management factors (irrigation, fertilization, and crop cultivation area) on agricultural ecosystem services (AES) in the agro-pastoral transitional zone (APTZ) of northern China...
February 1, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/28846596/increase-of-elderly-population-in-the-rainstorm-hazard-areas-of-china
#14
Pujun Liang, Wei Xu, Yunjia Ma, Xiujuan Zhao, Lianjie Qin
In light of global warming, increased extreme precipitation events have enlarged the population exposed to floods to some extent. Extreme precipitation risk assessments are of great significance in China and allow for the response to climate change and mitigation of risks to the population. China is one of the countries most influenced by climate change and has unique national population conditions. The influence of extreme precipitation depends on the degree of exposure and vulnerability of the population...
August 26, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28605855/the-effects-of-the-anthropic-actions-on-the-sandy-beaches-of-guardamar-del-segura-spain
#15
J I Pagán, I López, L Aragonés, J Garcia-Barba
There are many activities and uses in the coastal environment, which has historically attracted the humans. This attraction has led to many anthropic actions that have generated imbalances, more important as the human pressure increases. This research focuses on the effects of these pressures along of 11km of the coastline of Guardamar del Segura, a high-value environmental area where is the Segura River mouth and one of the last dune systems of the southeast of Spain. The historic evolution of the shoreline position has been analysed using 60years of aerial images from 1950s to 2014, the seabed depth changes, the maritime climate, the distribution of the sediment grain size and the anthropic actions such as urban development or the channelling of the river...
December 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28516144/geospatial-datasets-in-support-of-high-resolution-spatial-assessment-of-population-vulnerability-to-climate-change-in-nepal
#16
Janardan Mainali, Narcisa G Pricope
We present a geographic information system (GIS) dataset with a nominal spatial resolution of one-kilometer composed of grid polygons originally derived and utilized in a high-resolution climate vulnerability model for Nepal. The different data sets described and shared in this article are processed and tailored to the specific objectives of our research paper entitled "High-resolution Spatial Assessment of Population Vulnerability to Climate Change in Nepal" (Mainali and Pricope, In press) [1]. We share these data recognizing that there is a significant gap in regards to data availability, the spatial patterns of different biophysical and socioeconomic variables, and the overall population vulnerability to climatic variability and disasters in Nepal...
June 2017: Data in Brief
https://www.readbyqxmd.com/read/28405301/canada-lynx-use-of-burned-areas-conservation-implications-of-changing-fire-regimes
#17
Carmen M Vanbianchi, Melanie A Murphy, Karen E Hodges
A fundamental problem in ecology is forecasting how species will react to major disturbances. As the climate warms, large, frequent, and severe fires are restructuring forested landscapes at large spatial scales, with unknown impacts on imperilled predators. We use the United States federally Threatened Canada lynx as a case study to examine how predators navigate recent large burns, with particular focus on habitat features and the spatial configuration (e.g., distance to edge) that enabled lynx use of these transformed landscapes...
April 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28343340/a-lake-centric-geospatial-database-to-guide-research-and-inform-management-decisions-in-an-arctic-watershed-in-northern-alaska-experiencing-climate-and-land-use-changes
#18
Benjamin M Jones, Christopher D Arp, Matthew S Whitman, Debora Nigro, Ingmar Nitze, John Beaver, Anne Gädeke, Callie Zuck, Anna Liljedahl, Ronald Daanen, Eric Torvinen, Stacey Fritz, Guido Grosse
Lakes are dominant and diverse landscape features in the Arctic, but conventional land cover classification schemes typically map them as a single uniform class. Here, we present a detailed lake-centric geospatial database for an Arctic watershed in northern Alaska. We developed a GIS dataset consisting of 4362 lakes that provides information on lake morphometry, hydrologic connectivity, surface area dynamics, surrounding terrestrial ecotypes, and other important conditions describing Arctic lakes. Analyzing the geospatial database relative to fish and bird survey data shows relations to lake depth and hydrologic connectivity, which are being used to guide research and aid in the management of aquatic resources in the National Petroleum Reserve in Alaska...
November 2017: Ambio
https://www.readbyqxmd.com/read/28320440/ecological-niche-modeling-of-rabies-in-the-changing-arctic-of-alaska
#19
Falk Huettmann, Emily Elizabeth Magnuson, Karsten Hueffer
BACKGROUND: Rabies is a disease of global significance including in the circumpolar Arctic. In Alaska enzootic rabies persist in northern and western coastal areas. Only sporadic cases have occurred in areas outside of the regions considered enzootic for the virus, such as the interior of the state and urbanized regions. RESULTS: Here we examine the distribution of diagnosed rabies cases in Alaska, explicit in space and time. We use a geographic information system (GIS), 20 environmental data layers and provide a quantitative non-parsimonious estimate of the predicted ecological niche, based on data mining, machine learning and open access data...
March 20, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/28105701/climate-change-and-alpine-stream-biology-progress-challenges-and-opportunities-for-the-future
#20
Scott Hotaling, Debra S Finn, J Joseph Giersch, David W Weisrock, Dean Jacobsen
In alpine regions worldwide, climate change is dramatically altering ecosystems and affecting biodiversity in many ways. For streams, receding alpine glaciers and snowfields, paired with altered precipitation regimes, are driving shifts in hydrology, species distributions, basal resources, and threatening the very existence of some habitats and biota. Alpine streams harbour substantial species and genetic diversity due to significant habitat insularity and environmental heterogeneity. Climate change is expected to affect alpine stream biodiversity across many levels of biological resolution from micro- to macroscopic organisms and genes to communities...
January 20, 2017: Biological Reviews of the Cambridge Philosophical Society
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