Quantification of Agricultural Drought for Effective Drought Mitigation and Preparedness: Key Issues and Challenges
نویسنده
چکیده
The goal of the WMO Expert Meeting on Agricultural Drought Indices was to move forward in the selection of a single drought index that would be used worldwide in the assessment of agricultural drought and its severity. This chapter discusses the challenges in identifying a single index to accomplish this task. Given the complexities of drought and its diverse sectoral impacts, this is a formidable task. However, highlighting the key issues and challenges and recognizing a process or methodology to move the science community forward to achieve aspects of this goal would be a critical step forward. As the next step, identifying a series of alternative approaches to characterize agricultural drought in various settings depending on available data and local capabilities would be an important achievement. Ultimately, all countries should continue to work toward implementing a composite approach in which multiple indices and indicators are used to characterize agricultural drought, its severity, and impacts.
منابع مشابه
Assessing Vulnerability to Agricultural Drought: A Nebraska Case Study
Recent drought events in the United States and the magnitude of drought losses indicate the continuing vulnerability of the country to drought. Until recently, drought management in many states, including Nebraska, has been largely response oriented with little or no attention to mitigation and preparedness. In 1998, Nebraska began to revise its drought plan in order to place more emphasis on m...
متن کاملDrought Early Warning Systems in the Context of Drought Preparedness and Mitigation
Drought is a normal part of climate and occurs in virtually all regions of the world. Recent droughts have illustrated the vulnerability of all parts of the United States to extended periods of precipitation deficiency. Drought preparedness planning has become a widely accepted tool for governments at all levels to apply to reduce the risks to future events. In the United States, planning has b...
متن کاملUnderstanding the Complex Impacts of Drought: A Key to Enhancing Drought Mitigation and Preparedness
Recent droughts in the United States have highlighted the nation’s current and increasing vulnerability to this natural hazard. Drought-related impacts are also becoming more complex, as illustrated by the rapidly rising impacts in sectors such as recreation and tourism, energy, and transportation. Environmental and social consequences are also of increasing importance. Conflicts between water ...
متن کاملCombating Drought through Preparedness
Drought is a complex, slow-onset phenomenon that affects more people than any other natural hazard and results in serious economic, social, and environmental impacts. Although drought affects virtually all climatic regimes and has significant consequences in both developed and developing countries, its impacts are especially serious in developing countries where dryland agriculture predominates...
متن کامل