extreme hazards
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Author(s):  
Akshara K. Raut ◽  
Tripti Waghmare

This essay is about intrinsic planning parts that can alternate the enlarge of the particle that regulates our herbal cycles, the genome. Since the 1990s, first-class enchantment has been a focal factor of research. It commenced with the genome undertaking and will proceed to be an ambassador for the foreseeable future. The functions are many, and they are anticipated to have a significant speculative effect as properly as extraordinarily extreme hazards. The genome altering development trends have opened up the technique to truly zero in on and exchange genomic progressions in nearly all eukaryotic cells, whether or not they are planned or bacterial nucleases. Genome editing has loosened up our capacity to grant an explanation for the role of inherited qualities in infection with the aid of accelerating the development of increased right smartphone and models of animal of psychotic cycles, and it has begun to exhibit extraordinarily top achievable in a variety of fields, ranging from indispensable look up to utilized biotechnology and biomedical research. The late boom in the development of programmable nucleases, such as zinc-finger nucleases (ZFNs), file activator-like effector nucleases (TALENs), and assembled reliably interspaced quick palindromic repeat (CRISPR)– Cas-related nucleases, has accelerated the transition of fee from idea to medical practice. We observe the purposes of their subordinate reagents as quality-changing units in a range of human illnesses, and anticipated future medicines, which focuses on eukaryotic cells and animal models, in this evaluation of modern-day advances in the three critical genome-modifying propels (ZFNs, TALENs, and CRISPR/Cas9). Finally, we have a framework for clinical primers to use genome adjusting phases for sickness therapy, as nicely as some of the difficulties encountered throughout implementation.


2021 ◽  
Author(s):  
Emma Reyes ◽  
Eva Aguiar ◽  
Michele Bendoni ◽  
Maristella Berta ◽  
Carlo Brandini ◽  
...  

Abstract. The Mediterranean Sea is a prominent climate change hot spot, being their socio-economically vital coastal areas the most vulnerable targets for maritime safety, diverse met-ocean hazards and marine pollution. Providing an unprecedented spatial and temporal resolution at wide coastal areas, High-frequency radars (HFRs) have been steadily gaining recognition as an effective land-based remote sensing technology for a continuous monitoring of the surface circulation, increasingly waves and occasionally winds. HFR measurements have boosted the thorough scientific knowledge of coastal processes, also fostering a broad range of applications, which has promoted their integration in the Coastal Ocean Observing Systems worldwide, with more than half of the European sites located in the Mediterranean coastal areas. In this work, we present a review of existing HFR data multidisciplinary science-based applications in the Mediterranean Sea, primarily focused on meeting end-users and science-driven requirements, addressing regional challenges in three main topics: i) maritime safety; ii) extreme hazards; iii) environmental transport process. Additionally, the HFR observing and monitoring regional capabilities in the Mediterranean region required to underpin the underlying science and the further development of applications are also analyzed. The outcome of this assessment has allowed us to finally provide a set of recommendations for the future improvement prospects to maximize the contribution in extending the science-based HFR products into societal relevant downstream services to support the blue growth in the Mediterranean coastal areas, helping to meet the UN’s Decade of Ocean Science for Sustainable Development and the EU’s Green Deal goals.


2021 ◽  
pp. 210-210
Author(s):  
Emanuel “Eoz”
Keyword(s):  

2021 ◽  
Vol 13 (2) ◽  
pp. 748
Author(s):  
Iana Rufino ◽  
Slobodan Djordjević ◽  
Higor Costa de Brito ◽  
Priscila Barros Ramalho Alves

The northeastern Brazilian region has been vulnerable to hydrometeorological extremes, especially droughts, for centuries. A combination of natural climate variability (most of the area is semi-arid) and water governance problems increases extreme events’ impacts, especially in urban areas. Spatial analysis and visualisation of possible land-use change (LUC) zones and trends (urban growth vectors) can be useful for planning actions or decision-making policies for sustainable development. The Global Human Settlement Layer (GHSL) produces global spatial information, evidence-based analytics, and knowledge describing Earth’s human presence. In this work, the GHSL built-up grids for selected Brazilian cities were used to generate urban models using GIS (geographic information system) technologies and cellular automata for spatial pattern simulations of urban growth. In this work, six Brazilian cities were selected to generate urban models using GIS technologies and cellular automata for spatial pattern simulations of urban sprawl. The main goal was to provide predictive scenarios for water management (including simulations) and urban planning in a region highly susceptible to extreme hazards, such as floods and droughts. The northeastern Brazilian cities’ analysis raises more significant challenges because of the lack of land-use change field data. Findings and conclusions show the potential of dynamic modelling to predict scenarios and support water sensitive urban planning, increasing cities’ coping capacity for extreme hazards.


2020 ◽  
Author(s):  
Freya Garry ◽  
Dan Bernie

<p>When two or more extreme weather events occur either simultaneously or in close succession, there may be more severe societal and economic impacts than when extreme hazards occur alone. Impacts may also cascade across different sectors of society or amplify impacts in another sector. Perturbed parameter ensemble simulations of projections to 2080 have been generated at the UK Met Office to cover the UK at high spatial (12 km or 2.2 km) and temporal resolution (daily or sub-daily) resolution as part of the “UK Climate Projections”. We use the regional 12 km model simulations at daily resolution to consider how the frequency, duration and spatial extent of multiple extreme hazard events in the UK changes over the 21<sup>st </sup>century. We will show case studies of multiple extreme hazard pairings that pose a risk to UK sectors, for example, the risk of hot and dry weather to agricultural harvests. By working with stakeholders that have a good understanding of their vulnerabilities and exposure, we consider multiple extreme events in a risk projection framework. This work is funded under the Strategic Priority Fund for UK Climate Resilience.</p>


2020 ◽  
Author(s):  
Marta Marcos ◽  
Angel Amores

<p>For how long low-elevation coastal areas will be habitable under the effects of mean sea-level rise and marine extreme hazards? Mean sea-level rise, despite having a global origin, has severe local coastal impacts, as it raises the baseline level on top of which extreme storm surges and wind-waves reach the coastlines and, consequently, increases coastal exposure. In this presentation we will show coastal modelling exercises, fed with regionalised climate information of mean sea level and marine extremes, and applied in different environments that include sandy beaches and atoll islands. The outputs are aimed at anticipating the potential impacts of the dominant drivers in terms of land loss, coastal flooding and erosion. Our examples will be focusing on islands, for which the effects of increased coastal exposure are relatively larger, where local economy is often linked to coastal activities and retreat and migration are hampered by the limited land availability.</p>


2020 ◽  
Vol 12 (6) ◽  
pp. 2369
Author(s):  
Joanna Wicher-Dysarz ◽  
Ewelina Szałkiewicz ◽  
Joanna Jaskuła ◽  
Tomasz Dysarz ◽  
Maksymilian Rybacki

The possibility of effective control of selected dams in the Noteć Bystra river is analyzed. Such a control is expected to permit inundation of selected arable areas, e.g., peat grasslands, to avoid flooding of the city of Czarnków and the terrains located downstream. The chosen case study is the reach of the Noteć River between the dams Pianowka–Mikolajewo–Rosko. The analysis was made on the basis of simulations of the flow and regulation of dams in flood conditions. The flow peaks of hypothetical flood waves were designed according to the directions of the ISOK project (Informatyczny System Osłony Kraju przed nadzwyczajnymi zagrożeniami—IT System of the Country’s Protection Against Extreme Hazards) as the maximum flows over 10-years (p = 10%), 100-years (p = 1%), and 500-years (p = 0.2%). The obtained results are presented as longitudinal profiles of the water surface, maps of inundated areas and maps of inundated soils. The main conclusion is that the robust control of dams reduces the peak of flow during flood wave propagation and forces inundation of the a priori selected areas. It helps to decrease the spatial range of the flood hazard and significantly reduces risk related to floods.


2019 ◽  
Vol 142 (2) ◽  
Author(s):  
Mohammad Ashrafy ◽  
Mehrzad TahamouliRoudsari ◽  
Mahmood Hosseini

Abstract Buried pipelines are faced with and vulnerable to extreme hazards such as earthquakes, different types of faulting, and landslides. Generally, a buried pipeline is modeled as a beam on a series of springs, which represent the surrounding soil. To determine the specifications of these springs, the equations proposed by ASCE Guideline are usually used. Its accuracy was doubted by some recent studies. In this study, two full-scale tests simulating the effect of strike-slip faulting were initially carried out on 4 and 8-in. diameter steel pipes buried in compacted sandy soil. The displacement of the pipe was recorded directly at any moment, along its length. Then through optimization-based simulations, the specifications of the equivalent springs of the soil were calculated so that the deformation of the pipe along its length would be consistent with the experimental results. Then, based upon verified finite element models, a database of different parameters of buried pipes subjected to strike-slip faulting including the diameters and different burial depths was created. The results showed that the ASCE equations need modification at the condition of strike-slip faulting and so, based on the created database, a new form of the equations of lateral interaction between dense sandy soil and steel pipe in the presence of strike-slip fault was proposed.


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