Grant Lockridge
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View article: Predictive bleaching in corals: using a low-cost, non-destructive chlorophyll-a fluorescence approach to identify coral photosymbionts susceptible to thermal stress
Predictive bleaching in corals: using a low-cost, non-destructive chlorophyll-a fluorescence approach to identify coral photosymbionts susceptible to thermal stress Open
The climate crisis demands urgent and effective conservation strategies to prevent further loss in biodiversity. Coral reefs, especially vulnerable to rising sea surface temperatures, are experiencing more frequent and severe mass bleachin…
View article: Role of tropical cyclones and salinity stratification in the expansion of a coastal marine heatwave
Role of tropical cyclones and salinity stratification in the expansion of a coastal marine heatwave Open
Marine heatwaves (MHWs) during peak hurricane season can impact storm intensification, posing a significant threat to coasts and ecosystems. However, understanding of salinity stratification in the evolution of MHWs in river-dominated, hur…
View article: Small‐scale measurement of fracture toughness of muddy marine sediments via bubble injection
Small‐scale measurement of fracture toughness of muddy marine sediments via bubble injection Open
Muddy marine sediments are elastic materials in which bubbles grow and worms extend their burrows by fracture. Bubble growth and burrowing behavior are dependent on the stiffness and fracture toughness ( K Ic ) of these muds. This article …
View article: Developing Engineering Skills Through Project-Based Learning: An Arduino-Based Submersible Temperature and Depth Sensor
Developing Engineering Skills Through Project-Based Learning: An Arduino-Based Submersible Temperature and Depth Sensor Open
Collecting data in the ocean requires scientists to choose, use, and interpret the output of sensor-based instruments. With the increasing accessibility of do-it-yourself (DIY) technology, researchers are able to develop innovative and cos…
View article: Small-scale measurement of the transition in fracture behavior of marine sediments
Small-scale measurement of the transition in fracture behavior of marine sediments Open
Bubbles grow and burrows extend through cohesive, muddy marine sediments by fracture. In contrast, sands are non-cohesive, granular materials. Natural sediments comprised of heterogeneous mixtures of muds and sands are common in coastal ar…
View article: An in situ benthic chamber system for improved temporal and spatial resolution measurement of sediment oxygen demand
An in situ benthic chamber system for improved temporal and spatial resolution measurement of sediment oxygen demand Open
In shallow coastal systems, sediments are exposed to dramatic and complex variability in environmental conditions that influences sediment processes on short timescales. Sediment oxygen demand (SOD), or consumption of oxygen by sediment‐dw…
View article: Bio-optical signatures of<i>insitu</i>photosymbionts predict bleaching severity prior to thermal stress in the Caribbean coral species<i>Acropora palmata</i>
Bio-optical signatures of<i>insitu</i>photosymbionts predict bleaching severity prior to thermal stress in the Caribbean coral species<i>Acropora palmata</i> Open
The identification of bleaching tolerant traits among individual corals is a major focus for many restoration and conservation initiatives but often relies on large scale or high-throughput experimental manipulations which may not be acces…
View article: A phenomic modeling approach for using chlorophyll-a fluorescence-based measurements on coral photosymbionts
A phenomic modeling approach for using chlorophyll-a fluorescence-based measurements on coral photosymbionts Open
We test a newly developed instrument prototype which utilizes time-resolved chlorophyll- a fluorescence techniques and fluctuating light to characterize Symbiodiniaceae functional traits across seven different coral species under cultivati…
View article: A phenomic modeling approach for using chlorophyll-a fluorescence-based measurements on coral photosymbionts: a step towards bio-optical bleaching prediction
A phenomic modeling approach for using chlorophyll-a fluorescence-based measurements on coral photosymbionts: a step towards bio-optical bleaching prediction Open
We test a newly developed instrument prototype which utilizes time-resolved chlorophyll- a fluorescence techniques and fluctuating light to characterize Symbiodiniaceae functional traits across seven different coral species under cultivati…
View article: Hurricane Sally (2020) Shifts the Ocean Thermal Structure across the Inner Core during Rapid Intensification over the Shelf
Hurricane Sally (2020) Shifts the Ocean Thermal Structure across the Inner Core during Rapid Intensification over the Shelf Open
Prediction of rapid intensification in tropical cyclones prior to landfall is a major societal issue. While air–sea interactions are clearly linked to storm intensity, the connections between the underlying thermal conditions over continen…
View article: Hurricane Sally (2020) shifts the ocean thermal structure across the inner core during rapid intensification over the shelf
Hurricane Sally (2020) shifts the ocean thermal structure across the inner core during rapid intensification over the shelf Open
Earth and Space Science Open Archive This preprint has been submitted to and is under consideration at Journal of Physical Oceanography. ESSOAr is a venue for early communication or feedback before peer review. Data may be preliminary.Lear…
View article: Hurricane Sally (2020) shifts the ocean thermal structure across the inner core during rapid intensification over the shelf
Hurricane Sally (2020) shifts the ocean thermal structure across the inner core during rapid intensification over the shelf Open
Earth and Space Science Open Archive This preprint has been submitted to and is under consideration at Journal of Physical Oceanography. ESSOAr is a venue for early communication or feedback before peer review. Data may be preliminary.Lear…
View article: Cascading Weather Events Amplify the Coastal Thermal Conditions Prior to the Shelf Transit of Hurricane Sally (2020)
Cascading Weather Events Amplify the Coastal Thermal Conditions Prior to the Shelf Transit of Hurricane Sally (2020) Open
Changes in tropical cyclone intensity prior to landfall represent a significant risk to human life and coastal infrastructure. Such changes can be influenced by shelf water temperatures through their role in mediating heat exchange between…
View article: Cascading weather events amplify the coastal thermal conditions prior to the shelf transit of Hurricane Sally (2020)
Cascading weather events amplify the coastal thermal conditions prior to the shelf transit of Hurricane Sally (2020) Open
Earth and Space Science Open Archive This work has been accepted for publication in Journal of Geophysical Research - Oceans. Version of RecordESSOAr is a venue for early communication or feedback before peer review. Data may be preliminar…
View article: Cascading weather events amplify the coastal thermal conditions prior to the shelf transit of Hurricane Sally (2020)
Cascading weather events amplify the coastal thermal conditions prior to the shelf transit of Hurricane Sally (2020) Open
Earth and Space Science Open Archive This work has been accepted for publication in Journal of Geophysical Research - Oceans. Version of RecordESSOAr is a venue for early communication or feedback before peer review. Data may be preliminar…
View article: Impacts of simulated infaunal activities on acoustic wave propagation in marine sediments
Impacts of simulated infaunal activities on acoustic wave propagation in marine sediments Open
The activities of infaunal organisms, including feeding, locomotion, and home building, alter sediment physical properties including grain size and sorting, porosity, bulk density, permeability, packing, tortuosity, and consolidation behav…
View article: Development of a Low-Cost Arduino-Based Sonde for Coastal Applications
Development of a Low-Cost Arduino-Based Sonde for Coastal Applications Open
This project addresses the need for an expansion in the monitoring of marine environments by providing a detailed description of a low cost, robust, user friendly sonde, built on Arduino Mega 2560 (Mega) and Arduino Uno (Uno) platforms. Th…