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1.
Environmental implications for disaster preparedness: lessons learnt from the Indian Ocean Tsunami 总被引:1,自引:0,他引:1
The impact of disasters, whether natural or man-made, not only has human dimensions, but environmental ones as well. Environmental conditions may exacerbate the impact of a disaster, and vice versa, disasters tend to have an impact on the environment. Deforestation, forest management practices, or agriculture systems can worsen the negative environmental impacts of a storm or typhoon, leading to landslides, flooding, silting, and ground/surface water contamination. We have only now come to understand these cyclical causes and impacts and realize that taking care of our natural resources and managing them wisely not only assures that future generations will be able to live in sustainable ways, but also reduces the risks that natural and man-made hazards pose to people living today. Emphasizing and reinforcing the centrality of environmental concerns in disaster management has become a critical priority, requiring the sound management of natural resources as a tool to prevent disasters and lessen their impacts on people, their homes, and livelihoods. As the horrors of the Asian tsunami of December 2004 continue to be evaluated, and people in the region slowly attempt to build a semblance of normalcy, we have to look to the lessons learnt from the tsunami disaster as an opportunity to prepare ourselves better for future disasters. This article focuses on findings and lessons learnt on the environmental aspects of the tsunami, and its implications on disaster preparedness plans. This article essentially emphasizes the cyclical interrelations between environments and disasters, by studying the findings and assessments of the recent Indian Ocean earthquake and tsunami that struck on 26 December 2004. It specifically looks at four key affected countries - Maldives, Sri Lanka, Indonesia, and Thailand. 相似文献
2.
C.V. Srinivas R. Venkatesan V. Yesubabu C. Nagaraju K.M. Somayajai P. Chellapandi Baldev Raj 《Atmospheric environment (Oxford, England : 1994)》2010,44(24):2846-2864
A mesoscale atmospheric model PSU/NCAR MM5 is used to provide operational weather forecasts for a nuclear emergency response decision support system on the southeast coast of India. In this study the performance of the MM5 model with assimilation of conventional surface and upper-air observations along with satellite derived 2-d surface wind data from QuickSCAT sources is examined. Two numerical experiments with MM5 are conducted: one with static initialization using NCEP FNL data and second with dynamic initialization by assimilation of observations using four dimensional data assimilation (FDDA) analysis nudging for a pre-forecast period of 12 h. Dispersion simulations are conducted for a hypothetical source at Kalpakkam location with the HYSPLIT Lagrangian particle model using simulated wind field from the above experiments. The present paper brings out the differences in the atmospheric model predictions and the differences in dispersion model results from control and assimilation runs. An improvement is noted in the atmospheric fields from the assimilation experiment which has led to significant alteration in the trajectory positions, plume orientation and its distribution pattern. Sensitivity tests using different PBL and surface parameterizations indicated the simple first order closure schemes (Blackadar, MRF) coupled with the simple soil model have given better results for various atmospheric fields. The study illustrates the impact of the assimilation of the scatterometer wind and automated weather stations (AWS) observations on the meteorological model predictions and the dispersion results. 相似文献
3.
Charudutt Mishra Gustaf Samelius Munib Khanyari Prashanth Nuggehalli Srinivas Matthew Low Carol Esson Suri Venkatachalam
rjan Johansson 《Ambio》2022,51(3):494
The cold and arid mountains and plateaus of High Asia, inhabited by a relatively sparse human population, a high density of livestock, and wildlife such as the iconic snow leopard Panthera uncia, are usually considered low risk for disease outbreaks. However, based on current knowledge about drivers of disease emergence, we show that High Asia is rapidly developing conditions that favor increased emergence of infectious diseases and zoonoses. This is because of the existing prevalence of potentially serious pathogens in the system; intensifying environmental degradation; rapid changes in local ecological, socio-ecological, and socio-economic factors; and global risk intensifiers such as climate change and globalization. To better understand and manage the risks posed by diseases to humans, livestock, and wildlife, there is an urgent need for establishing a disease surveillance system and improving human and animal health care. Public health must be integrated with conservation programs, more ecologically sustainable development efforts and long-term disease surveillance.Supplementary InformationThe online version contains supplementary material available at 10.1007/s13280-021-01599-7. 相似文献
4.
5.
Kumar P. Senthil Suganya S. Srinivas S. Priyadharshini S. Karthika M. Karishma Sri R. Swetha V. Naushad Mu. Lichtfouse Eric 《Environmental Chemistry Letters》2019,17(4):1707-1726
Environmental Chemistry Letters - Delivering the right amount of fluoride to drinking water protects the teeth from decay and reduces the risk of cavities. Nonetheless, fluorosis has been... 相似文献
6.
Stephen E. Draper Srinivas G. Rao 《Journal of the American Water Resources Association》1986,22(6):941-949
ABSTRACT: Percent imperviousness is an important parameter in modeling the urban rainfall-runoff process and is usually determined using manual methods such as random sampling or conventional accounting methods. In this study two computerized methods are used for estimating the percent imperviousness of urban watersheds using high altitude remote sensing imagery. These methods include the Laser Image Processing Scanner and the Video-Tape Camera system. Imperviousness is directly estimated in the former method while in the latter it is estimated as a function of the statistics of the responses on emulsions of the imagery. The percent imperviousness computed by utilizing remote sensing imagery was used with the conceptual models of rainfall-runoff models. The models were applied to four urban watersheds and the runoff prediction results indicate that imperviousness determined by using remote sensing imagery was as accurate as that obtained by the manual methods, and that the use of remote sensing imagery requires significantly less time and money. 相似文献
7.
Synthesis of novel benzo[d]imidazolyldihydrospiro[indoline-3,1′-isoindole]-2,4′,7′-triones has been described. The key intermediate 2-[(2-sulfanyl-1H-benzo[d]imidazol-5-yl)amino]acetic acid is obtained by reacting 5-amino-2-mercapto benzimidazole and chloroacetic acid. The three-component reaction of 2-[(2-sulfanyl-1H-benzo[d]imidazol-5-yl)amino]acetic acid with isatin and 1,4-benzoquinone in the presence of 10 mol% of L-proline at ambient temperature afforded 2′-(2-mercapto-1H-benzo [d] imidazol-5-yl)-3′,3a′-dihydrospiro[indoline-3,1′-isoindole]-2,4′,7′(2′H,7a′H)-triones. All the synthesized compounds were evaluated for in vitro anti-inflammatory activity. 相似文献
8.
Pai Shraddha Kini M. Srinivas Selvaraj Raja 《Environmental science and pollution research international》2021,28(10):11835-11849
Environmental Science and Pollution Research - Dye removal from wastewater is of prominence due to its hostile effects on human health and the environment. The complex structure of the dye molecule... 相似文献
9.
Hilarydoss Sharon Delhiraja Krithika Reddy Kalvala Srinivas Philip Ligy Chand Drupad Benny Belmin 《Environmental science and pollution research international》2021,28(45):63572-63588
Environmental Science and Pollution Research - Sustainable desalination can be achieved by adopting renewable energy-based low-cost and low-impact desalting techniques. In this investigation,... 相似文献
10.