Fitting the return period of dengue fever epidemic in Guangdong province of China [PDF]
HeliyonObjectives: The prevention and control of dengue fever (DF) has been a major public health issue in Guangdong (GD) province, China. This study aims to analyze the return period (RP) and the return level (RL) of DF epidemic in GD, to help the formulation ...
Siqing Zeng +5 more
doaj +2 more sources
About the return period of a catastrophe [PDF]
Natural Hazards and Earth System Sciences, 2022 When a natural hazard event like an earthquake affects a region and generates a natural catastrophe (NatCat), the following questions arise: how often does such an event occur? What is its return period (RP)?
M. Raschke
doaj +1 more source
Frequency Analysis of Precipitation Anomaly Percentage and Stream Flow Drought Using Copula Functions [PDF]
Water Harvesting Research, 2022 The purpose of this research is to joint frequency analyze of precipitation anomaly percentage as a meteorological drought index and flow rate at Chalekhmaz station located in the Zarinerood basin at south of Lake Urmia in the period of 1995-2016, which ...
Mohammad Nazeri Tahroudi +1 more
doaj +1 more source
Determining the Maximum Flood Discharge Using the Response Surface Methodology in Darrehrood Sub-Basins, Ardebil Province [PDF]
پژوهشهای آبخیزداری, 2022 It is impossible to manage water resources in basins without the accurate determination of the peak flood discharge. Therefore, this study was carried out to determine the peak flood discharge for the return period of 10, 25, 50, and 100 years using RSM ...
Yaser Hoseini
doaj +1 more source
Spatial frequency analysis of annual extreme daily precipitation across Japan
Journal of Hydrology: Regional Studies, 2022 Study region: Japan. Study focus: In this study, we analyzed the spatial frequency of annual extreme daily precipitation (AEDP) across Japan once every 100 years.
Hajime Yanagisawa +2 more
doaj +1 more source
A Study Of Some Hydrological Aspects For Spillway Design of A Small Dam In The North of Iraq [PDF]
Engineering and Technology Journal, 2011 This research is to evaluation and analyzing the main aspects of spillway design for Chaq-Chaq dam in north of Iraq in Suleimaniya governorate, with help of the hydraulic, hydrologic and climate data collecting.
Sahar A. Mohammad
doaj +1 more source
The Effect of a Short Observational Record on the Statistics of Temperature Extremes
Geophysical Research Letters, 2023 In June 2021, the Pacific Northwest experienced a heatwave that broke all previous records. Estimated return levels based on observations up to the year before the event suggested that reaching such high temperatures is not possible in today's climate ...
Joel Zeder +4 more
doaj +1 more source
Towards preparation of design spectra for Serbian national annex to Eurocode 8: Part II. Usage of the UHS approach instead of normalized spectral shapes scaled by a single PSHA parameter [PDF]
Facta Universitatis. Series: Architecture and Civil Engineering, 2012 Eurocode 8 spectra are scaled by the peak ground acceleration values that are defined for the given site through a probabilistic seismic hazard analyses (PSHA).
Bulajić Borko Đ. +2 more
doaj +1 more source
Hydrology, 2022 This study was conducted to map flood inundation areas along the Manafwa River, Eastern Uganda using HECRAS integrated with the SWAT model. The study mainly sought to evaluate the predictive capacity of SWAT by comparisons with streamflow observations ...
Godwin Erima +4 more
doaj +1 more source
Enhancing the accuracy of tropospheric ozone prediction using probability distribution [PDF]
Songklanakarin Journal of Science and Technology (SJST), 2023 Tropospheric ozone or ground-level ozone, mainly found near ground level, has adverse effects on human health. Distribution fitting is useful for predicting the probability, or forecasting the frequency of recurrence, of a phenomenon in a specific ...
Muhammad Ismail Jaffar +3 more
doaj