Aisha Al Suwaidi
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View article: Expansion of the aerobic iron biogeochemical cycle during the Paleoproterozoic Lomagundi event
Expansion of the aerobic iron biogeochemical cycle during the Paleoproterozoic Lomagundi event Open
The expansion of ocean oxygenation during the Paleoproterozoic Lomagundi carbon isotope excursion remains highly debated. Here, we present iron isotope data for the coeval marine Francevillian Group strata. The data scatter from heavy to l…
View article: Evidence of pockmarks and seafloor gas venting in the northwestern Arabian Sea
Evidence of pockmarks and seafloor gas venting in the northwestern Arabian Sea Open
Marine gas seeps are common along tectonically active margins, but they have not been previously observed along the Arabian continental margin. Here we present evidence of gas escape structures, pockmarks, and active gas seeps in the Gulf …
View article: Twin Lakes, Diverging Climates: Reconstructing Early Permian Environments in the Southeastern Junggar Basin, Nw China
Twin Lakes, Diverging Climates: Reconstructing Early Permian Environments in the Southeastern Junggar Basin, Nw China Open
View article: Integrated stratigraphy of Pliensbachian and Toarcian strata from the northern Neuquén Basin, Argentina
Integrated stratigraphy of Pliensbachian and Toarcian strata from the northern Neuquén Basin, Argentina Open
The Toarcian Oceanic Anoxic Event (T-OAE, ~183 Ma) was marked by globally recognized environmental perturbations, most notably disturbances to the global carbon cycle and climate. To date, geochemical records providing information about th…
View article: Particulate matter (pm10) monitoring in the United Arab Emirates using a satellite remote sensing based model
Particulate matter (pm10) monitoring in the United Arab Emirates using a satellite remote sensing based model Open
Particulate matter (PM) is one of the major factors causing air pollution, which is considered a concern for human health. Hence, measuring and monitoring the concentrations of these particles is essential. In this study, the main objectiv…
View article: Carbon cycle perturbations and environmental change of the middle permian and Late Triassic Paleo-Antarctic circle
Carbon cycle perturbations and environmental change of the middle permian and Late Triassic Paleo-Antarctic circle Open
During the middle Permian through the Triassic, Tasmania moved from paleo-latitudes of 78° to 69°S, wedged between Antarctica and Australia, within the paleo-South polar circle. During this time, significant global carbon cycle disturbance…
View article: Environmental change and stratigraphy of the Upper Triassic sediment succession in Ras Al-Khaimah, UAE
Environmental change and stratigraphy of the Upper Triassic sediment succession in Ras Al-Khaimah, UAE Open
In the United Arab Emirates, the Late Triassic events including the Carnian Pluvial Episode are relatively poorly studied compared to the carbon isotope excursion and extinction event at the Triassic-Jurassic boundary. This study presents …
View article: A Southern Hemisphere Chronostratigraphic Framework for the Pliensbachian–Toarcian Carbon Cycle Perturbations
A Southern Hemisphere Chronostratigraphic Framework for the Pliensbachian–Toarcian Carbon Cycle Perturbations Open
Lower Jurassic sedimentary successions from the Neuquén Basin, Argentina are unique in the abundance of radiometrically datable material (ash-beds) present, which can be tied to bio- and chemostratigraphic (carbon-isotope) zonations. …
View article: Unraveling Tasmania's Late Paleozoic Ice Age: Carbon Isotopic and Stratigraphic Signatures in Response to Glacial-Deglacial Cycles and Large Igneous Province (LIP) Events
Unraveling Tasmania's Late Paleozoic Ice Age: Carbon Isotopic and Stratigraphic Signatures in Response to Glacial-Deglacial Cycles and Large Igneous Province (LIP) Events Open
Late Paleozoic Ice Age (LPIA), which peaked during the mid Permian, resulting in widespread ice centers across Gondwana during its coldest periods. Assessing the climate change across this glaciation and the following deglaciation interval…
View article: Biosphere changes during the Carnian-Norian in Tasmania: A new perspective from PAH analysis from the Paleo Antarctic Circle.
Biosphere changes during the Carnian-Norian in Tasmania: A new perspective from PAH analysis from the Paleo Antarctic Circle. Open
The Carnian–Norian, Late Triassic was a period of major global climatic change, often associated with a transition from arid to more humid conditions that began with the Carnian Pluvial Episode (CPE). This transition to wetter …
View article: Cyclical Lacustrine Siliciclastic And Carbonate Rocks and its Significance for Paleoenvironment Evolution of the Early Permian in the Southeastern Junggar Basin, Nw China
Cyclical Lacustrine Siliciclastic And Carbonate Rocks and its Significance for Paleoenvironment Evolution of the Early Permian in the Southeastern Junggar Basin, Nw China Open
View article: Initial results of coring at Prees, Cheshire Basin, UK (ICDP JET project): towards an integrated stratigraphy, timescale, and Earth system understanding for the Early Jurassic
Initial results of coring at Prees, Cheshire Basin, UK (ICDP JET project): towards an integrated stratigraphy, timescale, and Earth system understanding for the Early Jurassic Open
Drilling for the International Continental Scientific Drilling Program (ICDP) Early Jurassic Earth System and Timescale project (JET) was undertaken between October 2020 and January 2021. The drill site is situated in a small-scale synform…
View article: Carbon Cycle Perturbations and Environmental Change of the Middle Permian and Late Triassic paleo-Antarctic Circle
Carbon Cycle Perturbations and Environmental Change of the Middle Permian and Late Triassic paleo-Antarctic Circle Open
During the Middle Permian through the Triassic, Tasmania moved from paleo-latitudes of 78° to 69°S, wedged between Antarctica and Australia, within the paleo-South polar circle. During this time, significant global carbon cycle disturbance…
View article: Particulate matter (pm10) monitoring in the United Arab Emirates using a satellite remote sensing based model
Particulate matter (pm10) monitoring in the United Arab Emirates using a satellite remote sensing based model Open
Particulate matter (PM) is one of the major factors causing air pollution, which is considered a concern for human health. Hence, measuring and monitoring the concentrations of these particles is essential. In this study, the main objectiv…
View article: New Geochronological Age Constraint and Chemostratigraphy for Aptian Lacustrine Strata, Cedar Mountain Formation, Utah
New Geochronological Age Constraint and Chemostratigraphy for Aptian Lacustrine Strata, Cedar Mountain Formation, Utah Open
The Early Cretaceous is an important time of transition in Earth history, marked by a succession of oceanic anoxic events and carbon cycle perturbations that drove changes on land and in the ocean. The need for more precise geochronologic …
View article: Trends and variability in methane concentrations over the Southeastern Arabian Peninsula
Trends and variability in methane concentrations over the Southeastern Arabian Peninsula Open
Methane (CH 4 ) is a potent greenhouse gas with an important contribution to global warming. While national and international efforts have been put in place to reduce methane emissions, little is known about its variability, especially in …
View article: Wildfires, Weathering and Warming: A High Latitude Southern Hemisphere paleoclimate record of the Triassic from Tasmania
Wildfires, Weathering and Warming: A High Latitude Southern Hemisphere paleoclimate record of the Triassic from Tasmania Open
Tasmania was located at 62-74° S in the Triassic, a position today occupied by the frozen rocky Antarctic continent. Sedimentary archives of the Triassic from Tasmania present a unique opportunity to examine a high latitude archive of…
View article: Mercury (Hg) isotope evidence for enhanced importance of terrestrial Hg to the global ocean during the early Jurassic oceanic anoxic event (Toarcian OAE)
Mercury (Hg) isotope evidence for enhanced importance of terrestrial Hg to the global ocean during the early Jurassic oceanic anoxic event (Toarcian OAE) Open
View article: Paleowildfire at the end-Triassic mass extinction: Smoke or fire?
Paleowildfire at the end-Triassic mass extinction: Smoke or fire? Open
View article: New age constraints on the Lower Jurassic Pliensbachian–Toarcian Boundary at Chacay Melehue (Neuquén Basin, Argentina)
New age constraints on the Lower Jurassic Pliensbachian–Toarcian Boundary at Chacay Melehue (Neuquén Basin, Argentina) Open
The Pliensbachian–Toarcian boundary interval is characterized by a ~ 3‰ negative carbon-isotope excursion (CIE) in organic and inorganic marine and terrestrial archives from sections in Europe, such as Peniche (Portugal) and Hawsker Bottom…
View article: The Late Triassic of Tasmania: a land of burning trees and swamps
The Late Triassic of Tasmania: a land of burning trees and swamps Open
Norian to Rhaetian (~203-217Ma) sediments globally show evidence of faunal and floral transitions in both the marine and continental realm, leading up to and culminating in the End Triassic Mass Extinction event (ETE).These changes in the …
View article: New Chronostratigraphic Constraints on the Lower Jurassic Pliensbachian–Toarcian Boundary at Chacay Melehue (Neuquén Basin, Argentina)
New Chronostratigraphic Constraints on the Lower Jurassic Pliensbachian–Toarcian Boundary at Chacay Melehue (Neuquén Basin, Argentina) Open
The Pliensbachian–Toarcian boundary interval is characterized by a ~3‰ negative carbon-isotope excursion (CIE) in organic and inorganic marine and terrestrial archives from sections in Europe, such as Peniche (Portugal) and Hawsker Bottoms…
View article: The influence of tectonic activity on clathrate destabilisation: Microthermometry and Raman insights from seep carbonates in the Alps‐Apennines tectonic knot
The influence of tectonic activity on clathrate destabilisation: Microthermometry and Raman insights from seep carbonates in the Alps‐Apennines tectonic knot Open
The formation of carbonate build‐ups associated with seafloor methane vents – where microbially mediated sulphate‐dependent anaerobic oxidation of methane produces alkalinity – is well documented in modern marine environments and in the ge…
View article: Triumph and tribulation for shallow water fauna during the Paleocene–Eocene transition; insights from the United Arab Emirates
Triumph and tribulation for shallow water fauna during the Paleocene–Eocene transition; insights from the United Arab Emirates Open
The Paleocene-Eocene transition was a time of short-term rapid climatic and biotic change, superimposed on a long-term warming trend. The response of shallow tropical carbonate systems to past rapid warming is important to understand in th…
View article: On the onset of Central Atlantic Magmatic Province (CAMP) volcanism and environmental and carbon-cycle change at the Triassic–Jurassic transition (Neuquén Basin, Argentina)
On the onset of Central Atlantic Magmatic Province (CAMP) volcanism and environmental and carbon-cycle change at the Triassic–Jurassic transition (Neuquén Basin, Argentina) Open
View article: Close Encounters of the Ferrar Kind: Exploring the Impact of Volcanism on Early Jurassic Environments
Close Encounters of the Ferrar Kind: Exploring the Impact of Volcanism on Early Jurassic Environments Open
View article: Data for: Short-time variation of ooid mineralogy at Triassic-Jurassic boundary interval and environmental implications: Evidence from the equatorial Ghalilah Formation, United Arab Emirates
Data for: Short-time variation of ooid mineralogy at Triassic-Jurassic boundary interval and environmental implications: Evidence from the equatorial Ghalilah Formation, United Arab Emirates Open
inorganic carbon, oxygen isotope data and XRF data of the UAE Tr-J boundary sections
View article: Population response during an Oceanic Anoxic Event: The case of Posidonotis (Bivalvia) from the Lower Jurassic of the Neuquén Basin, Argentina
Population response during an Oceanic Anoxic Event: The case of Posidonotis (Bivalvia) from the Lower Jurassic of the Neuquén Basin, Argentina Open
View article: The Triassic–Jurassic boundary event from an equatorial carbonate platform (Ghalilah Formation, United Arab Emirates)
The Triassic–Jurassic boundary event from an equatorial carbonate platform (Ghalilah Formation, United Arab Emirates) Open
The Ghalilah Formation, UAE provides a complete and continuous equatorial shallow-water carbonate sequence through the Upper Triassic to Lower Jurassic interval. In higher latitudes, this interval is frequently associated with widespread o…
View article: First record of the Early Toarcian Oceanic Anoxic Event from the Southern Hemisphere, Neuquén Basin, Argentina
First record of the Early Toarcian Oceanic Anoxic Event from the Southern Hemisphere, Neuquén Basin, Argentina Open
The first record of the Early Toarcian Oceanic Anoxic Event (c. 183 Ma) from the Southern Hemisphere is described from the Neuquén Basin, Argentina, identified chemostratigraphically on the basis of a relative increase in marine o…