نتایج جستجو برای: mitigation

تعداد نتایج: 32498  

2012
Yuan Xu

Goals on absolute emissions and intensity play key roles in CO2 mitigation. However, like cap-and-trade policies with price uncertainty, they suffer from significant uncertainty in abatement costs. This article examines whether an indicator could be established to complement CO2 mitigation goals and help reduce cost uncertainty with a particular focus on China. Performance indicators on CO2 emi...

Journal: :Environmental science & technology 2014
Margaret A Palmer Kelly L Hondula

Compensatory mitigation is commonly used to replace aquatic natural resources being lost or degraded but little is known about the success of stream mitigation. This article presents a synthesis of information about 434 stream mitigation projects from 117 permits for surface mining in Appalachia. Data from annual monitoring reports indicate that the ratio of lengths of stream impacted to length...

Journal: :Nature Climate Change 2017

Journal: :Nature Climate Change 2012

2017
Lin Xie Xiaowei Cui Sihao Zhao Mingquan Lu

It is well known that multipath effect remains a dominant error source that affects the positioning accuracy of Global Navigation Satellite System (GNSS) receivers. Significant efforts have been made by researchers and receiver manufacturers to mitigate multipath error in the past decades. Recently, a multipath mitigation technique using dual-polarization antennas has become a research hotspot ...

Journal: :Frontiers in veterinary science 2016
Amlan K. Patra

Methane (CH4) emission, which is mainly produced during normal fermentation of feeds by the rumen microorganisms, represents a major contributor to the greenhouse gas (GHG) emissions. Several enteric CH4 mitigation technologies have been explored recently. A number of new techniques have also been developed and existing techniques have been improved in order to evaluate CH4 mitigation technolog...

2007
Kevin Vranes Roger Pielke

Damage estimates from 80 U.S. earthquakes since 1900 are “normalized” to 2005 dollars by adjusting for inflation, increases in wealth, and changes in population. Factors accounting for mitigation at 1 and 2% loss reduction per year are also considered. The earthquake damage record is incomplete, perhaps by up to 25% of total events that cause damage, but all of the most damaging events are acco...

Journal: :Annales des Télécommunications 2017
Gaurav Somani Manoj Singh Gaur Dheeraj Sanghi Mauro Conti Rajkumar Buyya

Current trends in distributed denial of service (DDoS) attacks show variations in terms of attack motivation, planning, infrastructure, and scale. “DDoS-for-Hire” and “DDoS mitigation as a Service” are the two services, which are available to attackers and victims, respectively. In this work, we provide a fundamental difference between a “regular” DDoS attack and an “extreme” DDoS attack. We co...

2014
Om Prakash K. Srinivasan K. P. Sudheer

A novel multi-objective simulation-optimization (S-O) framework for flood mitigation in a river-reservoir system with multiple reservoirs and control points is proposed. Different combinations of objectives regarding flood mitigation in one or more of the reservoirs and/or one or more of the control points can be specified within the framework, namely, (1) maximizing the flood releases from the...

2017
Mehrdad Farajtabar Jiachen Yang Xiaojing Ye Huan Xu Rakshit Trivedi Elias Boutros Khalil Shuang Li Le Song Hongyuan Zha

We propose the first multistage intervention framework that tackles fake news in social networks by combining reinforcement learning with a point process network activity model. The spread of fake news and mitigation events within the network is modeled by a multivariate Hawkes process with additional exogenous control terms. By choosing a feature representation of states, defining mitigation a...

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