Showing 1 - 10 of 1,552
Meteorological drought events occur in Bangladesh are diagnosed using monthly rainfall and mean air temperature from … Palmer Drought Severity Index (PDSI) for the period 1961–1990. The historical records of drought event obtained from the … based on the observed data shows that regional information is better in drought diagnosis compared to the point information …
Persistent link: https://www.econbiz.de/10010996794
state, India. Drought is a recurrent phenomenon and risk assessment of droughts can play an important role in proper … planning and management of water resources in the study region. In the study, drought events are characterized by severity and … duration, and drought occurrences are modeled by Standardized Precipitation Index (SPI) computed on mean areal precipitation …
Persistent link: https://www.econbiz.de/10010998219
This paper analyses monthly differences in drought impact on vegetation activity in a semi-arid region in the north …-east of the Iberian Peninsula between 1987 and 2000. The study determines spatial differences in the effects of drought on the … natural vegetation and agricultural crops by means of the joint use of vegetation indexes derived from AVHRR images, a drought …
Persistent link: https://www.econbiz.de/10010846921
Migration data is matched from the Indian census with climate data to test the hypothesis of climate variability as a push factor for internal migration. The main contribution of the analysis is to introduce relevant meteorological indicators of climate variability, based on the standardized...
Persistent link: https://www.econbiz.de/10010945457
This study aims to model the joint drought duration and severity distribution using two-dimensional copulas. The method … as a function of the dependence parameters. The drought duration and severity are assumed to be exponential and gamma …. The copula fitting results for drought duration and severity are quite satisfactory. The bivariate drought analyses …
Persistent link: https://www.econbiz.de/10010794071
The differences in spatial patterns of drought over a range of time scales were analysed by the Standardized … III distribution is flexible enough to calculate the drought index on different time scales. The Pearson III distribution … was adapted to precipitation frequencies at time scales of 1, 3, 6, 12, 24 and 36 months. Spatial patterns of drought were …
Persistent link: https://www.econbiz.de/10010794664
Using monthly meteorological observation data at 633 sites in China during 1961–2012, the drought severity change has … China (mostly in the middle Yellow River basin) and southwestern China (Yunnan–Guizhou Plateau) in spring and in autumn …. There is no evidence of an increase in drought severity over China taking the whole country into account. On the contrary …
Persistent link: https://www.econbiz.de/10011151498
We assess the changes in drought conditions during summer in the Republic of Moldova based on the Standardized …
Persistent link: https://www.econbiz.de/10010696470
pursuit of cost saving detailed exploration for oil and gas prospect investigation in any basin. …
Persistent link: https://www.econbiz.de/10009434996
Persistent link: https://www.econbiz.de/10003617082