Rainfall Trends and Extremes in Saudi Arabia in Recent Decades

Trends in Rainfall Extremes

Increasing trends in kidney cancer over the last 2 decades in Saudi Arabia

OBJECTIVES To examine the trends of kidney cancer over the last 2 decades in a subset of a Saudi Arabian population.   METHODS We conducted a retrospective study in a tertiary care center including all adult patients with primary kidney cancer who presented and were managed between 1990 and 2010. The time period was split into 4 quartiles, and variables tested and compared using chi-square, T...

Trends in Moderate Rainfall Extremes: A Regional Monotone Regression Approach

Rainfall extremes are thought to have increased over recent years. Typically linear trends have been considered to describe the temporal evolution of high quantiles of the daily rainfall distribution. For long records it is important to allow more flexibility. Quantile regression methods are available to estimate monotone trends for single stations. Having multiple stations in a region, the sig...

Influence on Saudi Arabia

"Broadcast" theory is one of the common theories explaining how phenomena and ideas spread. It is used by researchers in different fields of study. Having studied broadcast theory and its different components, this article tries to represent whether Islamic revolution of Iran has exerted influence on Saudi Arabia. And if positive, how it has influenced and how much it has been. The results sug...

HIV/AIDS epidemic features and trends in Saudi Arabia.

BACKGROUND More than 60 million persons have been infected since AIDS was described in 1981. By the end of 2003, an estimated 40 million individuals were living with HIV globally. The surveillance of HIV/AIDS still faces challenges in Saudi Arabia. This study describes the pattern and characteristics of HIV/AIDS cases in Saudi Arabia. METHODS This descriptive analytic study describes the repo...