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Now showing items 31-40 of 69
Microbially influenced formation of anhydrite at low temperature
(
Elsevier B.V.
, 2023 , Article)
Calcium sulfate minerals are abundant in nature – on Earth and on Mars – and important in several fields of material sciences. With respect to gypsum and bassanite, anhydrite represents the anhydrous crystalline phase in ...
Seismic detection and characterization of a man-made karst analog - A feasibility study
(
Society of Exploration Geophysicists
, 2021 , Article)
At the site of a water drainage shaft on the campus of Qatar University that serves as a man-made karst analog, two seismic imaging techniques were adapted to use resonant scattered waves recorded during active-source ...
Burrowing crabs in arid mangrove forests on the southwestern Arabian Gulf: Ecological and biogeographical considerations
(
Elsevier B.V.
, 2020 , Article)
Many species of mangrove crabs are essential in the formation of mangrove ecosystems, and the bioturbation resulting from the excavation of their underground chambers is directly correlated with substrate oxygenation and ...
Characterizing fracture toughness using machine learning
(
Elsevier B.V.
, 2021 , Article)
The existing models for fracture toughness characterization based on nanoindentations that account for the fracture length are limited to simple (ideal) geometries that are absent in shales. The present study proposes two ...
Adaptation of sea turtles to climate warming: Will phenological responses be sufficient to counteract changes in reproductive output?
(
John Wiley and Sons Inc
, 2024 , Article)
Sea turtles are vulnerable to climate change since their reproductive output is influenced by incubating temperatures, with warmer temperatures causing lower hatching success and increased feminization of embryos. Their ...
Paleoproductivity shifts since the last 130 ka off Lakshadweep, Southeastern Arabian Sea
(
Elsevier
, 2021 , Article)
Marine sediment deposited on the ocean floor and near coastal areas, the western coastal regions of India provide records of monsoonal shifts and productivity. To understand the paleoproductivity in the northern Indian ...
Nutritive effect of dust on microbial biodiversity and productivity of the Arabian Gulf
(
Bellwether Publishing, Ltd.
, 2020 , Article)
The Arabian Gulf is exposed to intensive dust storms during summer until early winter. We investigated the nutritive effect of the dust on microbial biodiversity of the water column and the productivity of the Gulf. We ...
Empirical Relation for Capillary Pressure in Shale
(
Society of Petroleum Engineers (SPE)
, 2022 , Article)
Brooks and Corey (1964) and van Genuchten (1980) proposed the two most widely used relations for approximating capillary pressure. Petroleum engineers apply both, but they were originally proposed to understand the moisture ...
Diagenetic Alterations of the Outcropped Lower Triassic Mahil Formation (KS-1 Khuff-Equivalent) in the Oman Mountains, North Oman
(
Springer Nature
, 2023 , Conference Paper)
The Lower Triassic Mahil Formation in North Oman is the outcrop time-equivalents to the hydrocarbon-bearing reservoir, Upper Khuff Formation (referred to as KS-1 cycle). The studied sections of the KS-1 cycle in the ...
Extraction and Evaluation of Lineaments From DEMs Generated from Different Bands of Microwave Data and Optical Data: A Case Study for Jahazpur Area, Bhilwara, India
(
CRC Press
, 2023 , Book chapter)
This study extracts and examines lineaments from microwave and optical remote sensing data. The study discusses two DEMs of the Jahazpur area, Bhilwara, India, generated from C-band microwave data of Sentinel-1A and L-band ...