Temat: ENSO - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Przestrzenne zróżnicowanie ENSO
The ENSO spatial diversity
Autorzy:: Rucinska, D.
Powiązania:: https://bibliotekanauki.pl/articles/2084712.pdf
Data publikacji:: 2010
Wydawca:: Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:: rolnictwo
dzialalnosc czlowieka
rybolowstwo
ENSO
El Nino
przyroda
historia
Opis:: The paper offers information about the spatial diversity of the El Niño Southern Oscillation (ENSO) in such aspects as the spatial range of the phenomenon and its varying impacts on agriculture, i.e. plant cultivation and fishery. The author discusses both positive and negative consequences of the El Niño and La Niña phases. The nature of the phenomenon underpins the author's analysis of the region. Theoretically, the criterion for the differentiation of an impact region is the existence, within its territory, of a relationship between specific phenomena (in this case, natural phenomena and human agricultural activity), and the relevance of a given criterion is crucial for a problem at hand. Such a condition is fulfilled by areas with anthropogenic activity which are significantly subject to the ENSO influence. This approach is related to the research concept proposed by regional geography (Dumanowski 1981), which revolves around the relationships between the environment and man.
Źródło:: Prace i Studia Geograficzne; 2010, 44; 115-138
0208-4589
Pojawia się w:: Prace i Studia Geograficzne
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: The impact of climatic patterns on runoff and irrigation water allocation in an arid watershed of northern Mexico
Autorzy:: Cohen, I. S.
Ibarra, M. A. I.
Arriaga, G. E.
Paredes, J. C.
Valle, M. A. V.
Bustamante, W. O.
Powiązania:: https://bibliotekanauki.pl/articles/108465.pdf
Data publikacji:: 2018
Wydawca:: Instytut Meteorologii i Gospodarki Wodnej - Państwowy Instytut Badawczy
Tematy:: ENSO
SPI
watershed
cropped area
irrigation
warunki klimatyczne
nawadnianie
zlewnia
Meksyk
Opis:: The uncertainty of water availability is the main problem in planning for water resources in watersheds of agricultural drylands. Water availability for different uses depends on the runoff that is generated in the upper portion of the watersheds, where there are higher elevations and lower temperatures. Proximity to the ocean is a main factor that defines rainfall amounts. In this research we linked the effects of El Niño to a regional Standardized Precipitation Index (SPI) and the subsequent impact on runoff production and irrigation water allocation. Findings indicate the cascading impacts of the El Niño on the SPI, the SPI on the runoff discharge to the irrigation reservoir, and the final impact on the planted area within the irrigation district. An optimization procedure was applied to maximizing net income in agriculture under different water availability scenarios. The restrictions to the optimization model were: total available water, crop water demand, and available land. Local criteria for defining the maximum allowable planted area by crop also were taken into account. The analysis with various water availability scenarios demonstrated that with limited amounts of water for irrigation, forage area would be limited, thereby increasing the area of crops with lower water demands. In both scenarios the area of forage maize was reduced from 11300 to 1764 ha. Increasing irrigation water use efficiency may save water for expanding the irrigated area, or for other uses.
Źródło:: Meteorology Hydrology and Water Management. Research and Operational Applications; 2018, 6, 2; 59-66
2299-3835
2353-5652
Pojawia się w:: Meteorology Hydrology and Water Management. Research and Operational Applications
Dostawca treści:: Biblioteka Nauki

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