Mineral dust aerosols can impact air quality, climate change, biological cycles, tropical cyclone development and flight operations due to reduced visibility. Dust emissions are primarily limited to the extensive arid regions of the world, yet can negatively impact local to glob…
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The first phase of this work sought to assess the causes of air quality deterioration in the south of the region over the Red Sea near the resort areas of Eilat and Aqaba. Accordingly, a coordinated Jordanian-Israeli study was performed during the month of November 2007 along th…
This body of work expands the understanding of in situ cosmogenic 14C production and retention in the upper layer of accumulating ice sheets and presents new measurements of 14CH4 that improve our understanding of the fossil component of the CH4 budget. Samples were collected at…
During the last few decades, the global agricultural production has risen and technology enhancement is still contributing to yield growth. However, population growth, water and energy crisis, and extreme weather, climate change, etc. threaten the global food security. The focus…
Nuclear reprocessing is a technique used to recover uranium and plutonium from used nuclear fuel for the purpose of manufacturing new fuel or atomic weapons and involves the production of radioactive wastes. Nuclear reprocessing overall can reduce the volume of radioactive waste…
The Indonesian Throughflow (ITF) is the only low latitude connector between the Pacific and Indian Oceans affecting upper ocean stratification and regional climate. Here we focus on the Indian Ocean side of this connection, first identifying changes within the primary throughflo…
This study is focused on synoptic, subsynoptic, and meso-α/β scales observational and scale numerical simulations utilizing the WRF-Chem model to investigate the atmospheric dynamics that are responsible for the formation of summer Shamal dust storms over the Low-Elevated (LE) r…
Understanding the South Asian seasonal cycle is important. Using a synoptic climatological approach to identify circulation patterns, using the self-organizing maps (SOMs) technique, this research successfully has demonstrated several novel aspects of the seasonal cycle. First, …
This dissertation aims to better understand the role of moist convection (clouds and turbulence) in the complex dynamic coupling that occurs between components (land and atmosphere) as well as between subregions (Andes and Amazon) of the Earth system, using modern numerical mode…
Based on recommendations by the King Abdullah City for Atomic and Renewable Energy, the Kingdom of Saudi Arabia plans to construct sixteen nuclear power plants to address an increasing demand for domestic electrical energy. In this research, a radiological assessment will be per…
Observational analyses and post-processing of a hierarchy of ocean general circulation model (OGCM) experiments were performed to understand the influence of oceanic processes on the warm sea surface temperature anomalies (SSTAs) prior to the convection initiation of intraseason…
The presented research includes analysis and interpretation of the upper 50 m of a deep ice core which was drilled at 49°48'22"N, 86°33'52" (4115 m.a.s.l.) on the Belukha Plateau, Altai, in southwestern Siberia. The main goal was to examine variability of geochemical records pre…
The radiative effects of dust aerosol on our climate system have yet to be fully understood and remain a topic of contemporary research. To investigate these effects, detection/retrieval methods for dust events over major dust outbreak and transport areas have been developed usi…
The 2006 African Monsoon Multidisciplinary Activities Intensive Observational Period provided a wealth of information regarding the onset and development of the monsoon season over the Sahel region of West Africa. Enhanced understanding of predictability and variability of monso…
This study investigates the most recurrent coupled pattern of interannual variability between the Northern Hemisphere mid-latitude circulation and the tropical convection (between 15°S and 30°N) during the northern summer (June to September). The leading singular value decomposi…
In addition to the adverse impacts of elevated ground-level ozone on human health, it can damage agricultural yields and other ecosystems. It affects the plant growth and production efficiency as it reduces the carbon sink through the green leaves. Ground level ozone occurs as a…
The role of the Indian and Pacific sea surface temperature (SST) variability in the intraseasonal and interannual variability of the Indian summer monsoon rainfall is examined by performing a set of regionally coupled experiments with the Climate Forecast System (CFS), the lates…