Download e-book for iPad: Climate Variability and the Global Harvest: Impacts of El by Cynthia Rosenzweig

By Cynthia Rosenzweig

ISBN-10: 0195137639

ISBN-13: 9780195137637

The Earth's weather is consistently altering. a few of the adjustments are innovative, whereas others range at quite a few time scales. The El Ni?o-la Ni?a cycle is one such fluctuation that recurs each few years and has far-reaching affects. It normally seems at least one time in step with decade, yet this can fluctuate with our altering weather. the precise frequency, series, length and depth of El Ni?o's manifestations, in addition to its results and geographic distributions, are hugely variable. The El Ni?o-la Ni?a cycle is very difficult to review because of its many interlinked phenomena that take place in a number of destinations worldwide. those around the world teleconnections are accurately what makes learning El Ni?o-la Ni?a so important.Cynthia Rosenzweig and Daniel Hillel describe the present efforts to advance and follow a global-to-regional method of climate-risk administration. They clarify how atmospheric and social scientists are cooperating with agricultural practitioners in a number of areas world wide to figure out how farmers could benefit so much from new weather predictions. in particular, the rising skill to foretell the El Ni?o-Southern Oscillation (ENSO) cycle bargains the aptitude to rework agricultural making plans all over the world. Biophysical scientists are just now commencing to realize the large-scale, globally allotted affects of ENSO at the chances of seasonal precipitation and temperature regimes. in the meantime, social scientists were getting to know tips on how to disseminate forecasts extra successfully inside rural groups. as a result, because the caliber of climatic predictions have greater, the dissemination and presentation of forecasts became greater in addition. This e-book explores the becoming realizing of the interconnectedness of weather predictions and efficient agriculture for sustainable improvement, in addition to tools and types used to review this courting.

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Additional info for Climate Variability and the Global Harvest: Impacts of El Nino and Other Oscillations on Agro-Ecosystems

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84 with that of the following summer, thus providing a basis for foreshadowing seasonal conditions” (Walker and Bliss, 1932, p. 75). 11 Temporal variations of the winter and following summer Southern Oscillation, 1875–1930 (Walker and Bliss, 1932). 30 Climate Variability and the Global Harvest Walker and Bliss were wide-ranging in their investigations. They found that the predictive relationship worked better with the average of a number of stations to represent a region rather than with just one or two stations.

The term “El Niño” has come to designate particularly strong occurrences of these conditions. 1 The phenomenon may reach as far as 8,000 km over the equatorial region of the tropical eastern Pacific Ocean, and may even persist for as long as three or (rarely) more seasons. , 1997). 4 region (5ЊN–5ЊS, 120Њ–170ЊW), based on the 1971–2000 base period. 4 region (5ЊN–5ЊS, 120Њ–170ЊW), based on the 1971–2000 base period. 16 Climate Variability and the Global Harvest tend to be opposite to those of El Niño, but are generally less pronounced, being closer to the normal situation.

12 General locations of major climate variability systems. ENSO, El Niño– Southern Oscillation; AO, Arctic Oscillation; NAO, North Atlantic Oscillation; PDO, Pacific Decadal Oscillation; PNA, Pacific/North American pattern; MJO, Madden-Julian Oscillation; TAV, Tropical Atlantic Variability; QBO, Quasi-Biennial Oscillation; IOD, Indian Ocean Dipole; WP, Western Pacific Warm Pool. 12). The classification, seasonality, and persistence of these systems and their interactions are highly complex (Barnston and Livezey, 1987).

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Climate Variability and the Global Harvest: Impacts of El Nino and Other Oscillations on Agro-Ecosystems by Cynthia Rosenzweig

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