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2 results on '"global runoff data"'

1. Regionalization of global runoff data by cluster analysis

Author

G. Schwarzmaier and H. Mayer

Subjects
global runoff data, cluster analysis, evapotranspiration, precipitation, climate data, globale abflußdaten, cluster-analyse, niederschlag, klimadaten, Meteorology. Climatology, QC851-999
Abstract

Global runoff data were passed to a cluster analysis to investigate whether homogeneous runoff patterns could be determined for different regions in the world. Additionally cluster groups of global data of air temperature, precipitation and potential evapotranspiration have been determined as possibility to explain the runoff groups obtained. The results of both cluster analyses were combined with global data of land surface cover in order to investigate how the grouped runoff and climate values are connected to different types of land surface cover. The analysis showed satisfactory results for the interpretation of regionalized runoff groups by clustered climate data. The relation between runoff groups and corresponding types of land surface cover proved to be not significant.

Published
1992
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2. Managing Vulnerability and Boosting Productivity in Agriculture through Weather Risk Mapping : A Guide for Development Practitioners

Author

Arce, Carlos and Uribe, Edgar

Subjects
CLIMATIC PROFILE, CLIMATIC VARIABLES, TEMPORAL COVERAGE, CYCLONE TRACKS, WEATHER PREDICTION, TEMPORAL SCALES, SNOW COVER, ABSORPTION, SUNSHINE, RISK ASSESSMENT, BASE TEMPERATURE, WARNING SYSTEM, EMISSIONS, NEGATIVE IMPACTS, EVAPOTRANSPIRATION, CLIMATOLOGISTS, TEMPORAL RESOLUTION, FOREST SERVICE, ANTHROPOGENIC CLIMATE CHANGE, WATER VAPOR, FARMERS, ENVIRONMENTAL TEMPERATURE, CLIMATE PREDICTION, DECLARATIONS, BOUNDARY LAYER, WEATHER PATTERNS, CALCIUM, INFORMATION SYSTEMS, COLORS, CLIMATE RESEARCH, WEATHER STATIONS, FLOOD, GLOBAL WARMING, SOUTHERN OSCILLATION, WATER CYCLE, EXTREME PRECIPITATION, RELATIVE HUMIDITY, METEOROLOGICAL SERVICES, WATER SHORTAGE, INFORMATION SYSTEM, RAIN, EXTREME HEAT, WEATHER VARIABILITY, NATURAL HAZARDS, SNOW, SURFACE TEMPERATURE, CLIMATE DATA, GREENHOUSE, ATLANTIC HURRICANE, DROUGHTS, NITROUS OXIDE, TEMPERATURE THRESHOLDS, CLIMATE RESEARCH UNIT, CLIMATE CHANGE, DAILY TEMPERATURE, FLOODING, DEGREE DAYS, NUTRIENTS, BIOMASS, CARBON, METHANE, PESTICIDES, INTENSITY OF DROUGHT, FERTILIZATION, CYCLONE, RUNOFF, TEMPERATURE, WEATHER DATA, DROUGHT, FOREIGN AFFAIRS, N2O, CLOUDS, MINIMUM TEMPERATURES, CATASTROPHIC EVENT, TROPICAL CYCLONES, FAMINE EARLY WARNING SYSTEM, FOREST, CLOUD WATER, CLIMATIC HAZARDS, CO2, ENSO, CLIMATOLOGY, BANKS, TEMPERATURE PROFILES, ADVERSE WEATHER, METEOROLOGICAL VARIABLES, LONG-TERM PRECIPITATION, ALTITUDE, CLIMATE CLASSIFICATION, FLOOD DAMAGES, BASES, ECOLOGICAL ZONES, WEATHER SERVICES, CLIMATE CHANGE SCENARIOS, FLOODED, FLOODS, GREEN HOUSE GAS, HAILSTORM, SUBSTRATES, CLIMATE, IMPACTS OF CLIMATE CHANGE, IMPACT OF WEATHER, REGIONAL POLICIES, RADIATION, GHG, GEOGRAPHIC REGIONS, WEATHER SHOCKS, HEAT WAVES, TEMPORAL RESOLUTIONS, PH, CLIMATIC CENTERS, FLOOD RISK, RISK ANALYSIS, LAND SURFACE, OXYGEN, DROUGHT CONDITIONS, HURRICANE, CLIMATIC ZONES, EXTREME WEATHER, LAND USE, RAINFALL, AGRICULTURAL PRODUCTION, EXCESS RAINFALL, TROPICAL CYCLONE, DENITRIFICATION, CLIMATE SCENARIO, DROUGHT MITIGATION, COASTAL FLOODS, EXTREME HEAT WAVES, CLIMATIC RESEARCH, CRU, DROUGHT STRESS, HUMIDITY, METEOROLOGICAL STATIONS, EXTREME WEATHER EVENTS, GREENHOUSE GAS, ANNUAL PRECIPITATION, MEAN TEMPERATURE, HYDROLOGICAL CYCLE, CALCIUM CARBONATE, INTENSE PRECIPITATION EVENTS, WEATHER RISK MANAGEMENT, EXTREME PRECIPITATION EVENTS, WEATHER, WEATHER FORECASTS, CLIMATE SCENARIOS, SCIENTIFIC INFORMATION, MINIMUM TEMPERATURE, ATMOSPHERE, MONSOON, RELIEF, TERRESTRIAL ECOSYSTEMS, GLOBAL RUNOFF DATA, SCIENTISTS, SODIUM, VARIABILITY OF CLIMATE, WEATHER CONDITIONS, TEMPERATURE DISTRIBUTION, SUMMER TEMPERATURES, ATMOSPHERIC MODELS, COOLING DEGREE DAYS, CLIMATE ANOMALIES, CATASTROPHIC EVENTS, STORM SURGES, AGROMETEOROLOGY, SEASON, WEATHER OBSERVATIONS, EXTREME TEMPERATURES, WEATHER MAPS, WIND SPEED, FROST, FAMINE, CARBON DIOXIDE, HURRICANES, DROUGHT INDICES, ATMOSPHERIC SCIENCES, WIND DATA, FOOD SECURITY, FARMER, REGIONAL BASIS, DISASTERS, INSURANCE, NATIONAL CLIMATE, CLOUD COVER, RAINY SEASONS, RURAL COMMUNITIES, GREENHOUSE GASES, ATLANTIC OCEAN, HYDROLOGICAL CONDITIONS, EARLY WARNING, METEOROLOGICAL INFORMATION, CLIMATIC WATER BALANCE, FLOOD DAMAGE, RAINY SEASON, RAINFALL INTENSITY, WATER DISTRIBUTION, HAIL, FORESTRY, CARBON DYNAMICS, TEMPERATURE DATA, CH4, SOUTHERN OSCILLATION INDEX, CATASTROPHIC DROUGHT, GLOBAL SCALE, WIND, NITROGEN, PLANT GROWTH, SAVINGS, ECOSYSTEM, SEASONAL RAINFALL, SOLAR RADIATION, TEMPERATURE RANGE, REGIONAL WEATHER, SATELLITES
Abstract

Productivity in the agricultural sector is inherently dependent on weather, such as variations in rainfall and temperature. As a result, weather risk events can cause losses in yield and production that translate into economic losses for producers, as well as other sector stakeholders that depend on income from agricultural trade, transport, processing, or export. This document is a guide for development practitioners and strategically presents a variety of mapping techniques for agricultural risk management and illustrates the application of these techniques for informing public and private sector development strategies. The introduction places weather risk mapping within the broader context of agricultural risk, explaining how mapping can enable risk identification, assessment and management activities, and each chapter elaborates on one or more of the technical components. A basic definition of agro-meteorology is provided, along with a discussion of different mapping techniques. The guide presents the available remote (satellite) databases of agro-meteorological variables that can be used for the purpose of weather risk mapping, assessing the advantages and drawbacks of each database and their suitability for different purposes. The document reviews current risk mapping analyses based on historical weather observations, which are typically used for risk identification and assessment, including climatologies, hazard and risk maps, climate regionalizations and agro-ecological zones (AEZ). The document also reviews forward-looking mapping techniques, known as diagnostic and forecasting analyses, specific examples of which are drawn from the United States, the European Union, and Australia. Finally, the guide provides instruction on how and why to conduct agro-ecological zoning, a technique that can be used to assess land-use types, land resources, land suitability, and climatic and agro-climatic regionalizations, as well as to inform land use recommendations. The concluding chapter demonstrates a step-by-step application of agro-ecological zoning in a case study of Mozambique.

Published
2015

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