Showing 1 - 10 of 55
Using monthly meteorological observation data at 633 sites in China during 1961–2012, the drought severity change has …. 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
In the present study, the Standardized precipitation index (SPI) was employed to analyze the drought status of the … Dapoling basin over a period of autumn from September to November, because drought events frequently occur during this period … precipitation of the basin. Based on the SPI value, the classification of drought was provided. Besides, considering the fact that …
Persistent link: https://www.econbiz.de/10011151618
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
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
The accurate assessment of drought and its monitoring is highly depending on the selection of appropriate indices …. Despite the availability of countless drought indices, due to variability in environmental properties, a single universally … drought index has not been presented yet. In this study, a new approach for developing comprehensive agricultural drought …
Persistent link: https://www.econbiz.de/10010996524
Considering the lack of site effect cartography in the Iberian Peninsula region to be related to the strong motion data, we present a site amplification factor map covering the Iberian Peninsula and the Balearic Islands. Steps leading to produce the map have included the classification of...
Persistent link: https://www.econbiz.de/10010996606
In this paper, spatial and temporal variability of drought in Balochistan has been investigated using 36 years (1975 … precipitation trend on drought severity, Mann–Kendall test is used. Standardized precipitation index is used to compute the severity … of drought. Inverse distance weighted method has been used to illustrate the spatial and temporal aspects of drought with …
Persistent link: https://www.econbiz.de/10011241068
In this study, drought trends and change magnitudes of the Northeast China Transect (NECT) were analyzed using the Mann … from forest regions in the east, to agriculture in the center, to pastoral areas in the west. Characteristics of drought … coherence of regional drought, which was consistent with not only the precipitation spatial distribution but also the …
Persistent link: https://www.econbiz.de/10011241077
The drought during the months of June to September (JJAS) results in significant deficiency in the annual rainfall and … affects the hydrological planning, disaster management, and the agriculture sector of India. Advance information on drought … the prediction of drought during JJAS through standardized precipitation index (SPI) using nine general circulation models …
Persistent link: https://www.econbiz.de/10010758782
detect the trends in the SPI values of monthly drought series, drought severity and drought duration. The frequencies of … middle of the East Xinjiang is identified to be in a slightly dry tendency. The drought severity is decreasing and drought …
Persistent link: https://www.econbiz.de/10010758983