37 Works

Sea-level rise will drive divergent sediment transport patterns on fore reefs and reef flats, potentially causing erosion on Atoll Islands

James Bramante, Andrew D. Ashton, Curt D. Storlazzi, Olivia M. Cheriton & Jeffrey P. Donnelly
Atoll reef islands primarily consist of unconsolidated sediment, and their ocean-facing shorelines are maintained by sediment produced and transported across their reefs. Changes in incident waves can alter cross-shore sediment exchange and thus affect the sediment budget and morphology of atoll reef islands. Here we investigate the influence of sea-level rise and projected wave climate change on wave characteristics and cross-shore sediment transport across an atoll reef at Kwajalein Island, Republic of the Marshall Islands....

The rheological behavior of CO2 ice: application to glacial flow on Mars

Andrew Cross, David L. Goldsby, Travis F. Hager & Isaac B. Smith
Vast amounts of solid CO2 reside in topographic basins of the south polar layered deposits (SPLD) on Mars and exhibit morphological features indicative of glacial flow. Previous experimental studies showed that coarse-grained CO2 ice is 1–2 orders of magnitude weaker than water ice under Martian polar conditions. Here we present data from a series of deformation experiments on high-purity, fine-grained CO2 ice over a broader range of temperatures than previously explored (158–213 K). The experiments...

Mechanisms of exchange flow in an estuary with a narrow, deep channel and wide, shallow shoals

W. Rockwell Geyer, David Ralston & Jia-Lin Chen
Delaware Bay is a large estuary with a deep, relatively narrow channel and wide, shallow banks, providing a clear example of a “channel-shoal” estuary. This numerical modeling study addresses the exchange flow in this channel-shoal estuary, specifically to examine how the lateral geometry affects the strength and mechanisms of exchange flow. We find that the exchange flow is exclusively confined to the channel region during spring tides, when stratification is weak, and it broadens laterally...

North River estuary 2017 dataset

W. Rockwell Geyer, David Ralston, Wouter Kranenburg, Adrian Mikhail Garcia & Tong Bo
These are the observational data collected in 2017 from the North River estuary. Data files include the long-term (LT) CTD and Aquadopp measurements from April to July, the short-term (STI from April to May and STII in late July) CTD measurements, eight shipboard CTD and ADCP surveys in April, May and July, the ADV measurements in late July, the North River mid-estuary region bathymetry, and the North River discharge (from USGS measurements).

2017 HF Radar observations off the East Taiwan Coast

Anthony Kirincich, Yu-hung Hsiao & Yiing Jang Yang
High-frequency radar-based observations of surface currents along the east coast of Taiwan, obtained over a 50-day period in early 2017, are used to examine the occurrence, generation, and downstream advection of submesoscale eddies in the Kuroshio. Measured at an effective depth of 2 m and radial resolution of 3 km from four land-based HF radar systems spanning an 250-km along-stream distance, the surface current observations reveal the instantaneous position of the Kuroshio on hourly time...

Horizontal Stirring over the Northeast U.S. Continental Shelf: the Spatial and Temporal Evolution of Surface Eddy Kinetic Energy

Kirincich Anthony R., Pierre J. Flament, Victoria Futch & Benjamin A. Hodges

Stratification, Wind, and Waves on the Inner shelf of Martha’s Vineyard (SWWIM)

Steven Lentz
Time series of current velocity, water temperature, and salinity profiles, and near-bottom water depth from the 7-m, 12-m, 17-m, and 27-m site of an inner-shelf array deployed as part of the Stratification, Wind, and Waves on the Inner shelf of Martha’s Vineyard (SWWIM) study. There were 6 deployments of an array of four sites across the inner-shelf south of Martha's Vineyard, Massachusetts. The four sites are designated by nominal depth 7-m, 12-m (MVCO node), 17-m...

Images of cellular ultrastructure of benthic foraminifera from Arctic seeps

Joan Bernhard, Veronique Le Roux & Jonathan Martin
Dissociation of methane hydrates due to ocean warming releases methane, a powerful greenhouse gas, to the atmosphere. Dissociation of gas hydrates may have led to rapid and dramatic environmental changes in the past. Thus, understanding the impact of those events requires information about their timing and magnitudes. While the foraminiferal fossil record provides a powerful tool to understand past environmental conditions, seep-endemic foraminifera are unknown, which limits evaluation of seep-specific information. However, geographically widespread benthic...

IFCB Plankton Image Time Series at the Martha’s Vineyard Coastal Observatory (MVCO)

Heidi Sosik, Joe Futrelle, Emily E. Peacock, Taylor Crockford, Alexi Shalapyonok & Robert J. Olson
Imaging FlowCytobot (IFCB) deployments have been conducted since June 2006 at the Martha’s Vineyard Coastal Observatory (MVCO; 41° 19.5’ N, 70° 34.0’ W). IFCB, an automated submersible imaging-in-flow cytometer, is specially designed to operate in the ocean and image plankton and other particulate material approximately 5 to 200 micrometers in length. In conjunction with image acquisition, IFCB also uses a diode laser to measure the chlorophyll fluorescence and light scattering associated each imaged target. IFCB...

How does viscosity contrast influence phase mixing and strain localization?

Andrew Cross, Philip Skemer, Hélène Couvy & Elizabeth Olree
Ultramylonites with well-mixed mineral phases are thought to be an essential feature of Earth-like plate tectonics, because coupled phase mixing and grain boundary pinning enable rocks to deform by grain-size-sensitive, self-softening creep mechanisms over long geologic timescales. In isoviscous two-phase composites (and in the absence of chemical exchange or reaction), bulk “geometric” phase mixing occurs via the sequential formation and disaggregation of compositional layering. However, the effects of viscosity contrast on the mechanism(s) and timescale(s)...

Massachusetts Clean Energy Center MetOcean Data Initiative

Anthony Kirincich & Stephen M. Faluotico

Hunting Bubbles Falkor Cruise 2019

Anna P. M Michel, Scott D. Wankel, David P. Nicholson, Kristen Fauria & Victoria Lynn Preston
The Hunting Bubbles Cruise took place in August-September 2018 on the R/V Falkor (cruise ID 180824). Ship time was provided by the Schmidt Ocean Institute. This cruise investigated transport of methane from seeps located on the Cascadia Margin. Data archived at the WHOAS repository supplements additional data from this cruise available at the R2R rolling deck to repository and at MGDS: Marine Geoscience Data System.

Data and numerical methods for determining the dynamics and kinematics of Newark Bay, NJ

W. Bryce Corlett, W. Rockwell Geyer, Robert Chant, David Ralston & Christopher K. Sommerfield
These observational data and numerical methods were used to investigate the subtidal salt balance of Newark Bay, a sub-estuarine network connected to the Hudson River estuary through New York Harbor. The moored data were collected in 2008 by Chant and Sommerfield, and in 2016 by Corlett, Geyer, and Ralston. Corlett devised the included numerical methods. Shipboard measurements of the vertical salinity profile near each mooring were used to reconstruct the tidally-varying vertical salinity profile from...

Seasonal trends and diel patterns of downsweep and SEP calls in Chilean blue whales (Balaenoptera musculus)

Laura Redaelli, Sari Mangia Woods, Rafaela Landea Briones & Laela S. Sayigh
To learn more about occurrence and behavior of a recently discovered population of blue whales, passive acoustic data were collected for 15 consecutive months (January 2012 – April 2013) in the Chiloense ecoregion of southern Chile. Automatic detectors and manual auditing were used to detect blue whale songs (SEP calls) and D calls, which were then analyzed to gain insights into temporal calling patterns. We found a year-round acoustic presence of D calls, with the...

Quantifying pelagic primary production and respiration via automated in-situ incubation system

Solomon Chen & Matthew Long
We developed and validated a novel automated water incubator that measures in-situ rates of photosynthesis and respiration. This dataset includes raw data, Monte-Carlo simulation method, and processed results from field deployments in Summer, 2021. Deployment of the incubator was conducted near Ucantena Island, Massachusetts, USA. The dataset includes timeseries of automated incubation experiments, reporting dissolved oxygen concentration (DO), temperature, and photosynthetically active radiation (PAR). There are four deployments spanning from late august to early October,...

Causes of oceanic crustal thickness oscillations along a 74-Myr Mid-Atlantic Ridge flow line

William Shinevar, Hannah Mark, Fiona Clerc, Emmanuel A. Codillo, Jianhua Gong, Jean-Arthur Olive, Stephanie Brown, Paris T. Smalls, Yang Liao, Véronique Le Roux & Mark Behn
Gravity, magnetic, and bathymetry data collected along a continuous 1400-km-long spreading-parallel flow line across the Mid-Atlantic Ridge indicate significant tectonic and magmatic fluctuations in the formation of oceanic crust over a range of timescales. The transect spans from 28 Ma on the African Plate to 74 Ma on the North American plate, crossing the Mid-Atlantic Ridge at 35.8 ºN. Gravity-derived crustal thicknesses vary from 3–9 km with a standard deviation of 1 km. Spectral analysis...

How variable is mixing efficiency in the abyss?

Takashi Ijichi, Louis St. Laurent, Kurt L. Polzin & John Toole
This directory contains BBTRE/DoMORE processed data (“all_BBTRE.mat” and “all_DoMORE.mat”) that was used to produce all figures in the above research letter. Each mat file has two structure arrays named “location” and “patch10”. The “location” array includes microstructure profile information used in this study (Table D1). The “patch10” array includes 10-m patch-wise parameter estimates used in this study (Table D2). Note that bulk averaged parameters can be constructed from parameters saved in “patch10” (see the above...

Increased typhoon activity in the Pacific deep tropics driven by Little Ice Age circulation changes

James Bramante, Murray Ford, Paul Kench, Andrew D. Ashton, Michael Toomey, Richard M. Sullivan, Kristopher B. Karnauskas, Caroline C. Ummenhofer & Jeffrey P. Donnelly
The instrumental record reveals that tropical cyclone activity is sensitive to oceanic and atmospheric variability on inter-annual and decadal scales. However, our understanding of climate’s influence on tropical cyclone behavior is restricted by the short historical record and sparse prehistorical reconstructions, particularly in the western North Pacific where coastal communities suffer loss of life and livelihood from typhoons annually. Here we reconstruct three millennia of deep tropical North Pacific cyclogenesis and compare with other records...

Martha’s Vineyard Coastal Observatory

Eve Cinquino, Janet J. Fredericks, John D. Sisson, Stephen M. Faluotico, Hugh Popenoe, Zoe O. Sandwith, E. Taylor Crockford, Emily E. Peacock, Alexi Shalapyonok, Heidi M. Sosik, Anthony R Kirincich, James B. Edson & John H. Trowbridge
Martha's Vineyard Coastal Observatory (MVCO) is a leading research and engineering facility operated by Woods Hole Oceanographic Institution. MVCO has been collecting ocean and atmospheric data at 3 sites on and near Martha's Vineyard since 2001. A meteorological mast (met mast) on South Beach in Edgartown, MA has collected atmospheric data since May 31 2001. An Air Sea Interaction Tower (ASIT) has been collecting atmospheric and subsurface oceanic data since August 5, 2004. A seafloor...

Temporal trends and effects of noise on upsweep calls of Eastern South Pacific southern right whales

Ellen Jacobs, Rafaela Landea & Laela Sayigh
Eastern South Pacific southern right whales (ESPSRW) are a subpopulation of southern right whales (Eubalaena australis) off the coasts of Peru and Chile recognized by the International Union for the Conservation of Nature (IUCN) as critically endangered as a result of heavy whaling efforts in the late 18th to 20th centuries. Most recent population estimates put their numbers around 50 individuals. To test for the efficacy of passive acoustic monitoring of this population, we recorded...

Numerical model simulating the sea ice and ocean conditions in the Amundsen Sea over the period Jan. 1, 2006 to Dec. 31, 2013

Pierre St-Laurent, Eileen E. Hofmann, Robert M. Sherrell, Sharon E. Stammerjohn, Patricia L. Yager, Mathew Biddle & Amber D. York
Numerous coastal polynyas fringe the Antarctic continent and strongly influence the productivity of Antarctic shelf systems. Of the 46 Antarctic coastal polynyas documented in a recent study, the Amundsen Sea Polynya (ASP) stands out as having the highest net primary production per unit area. Incubation experiments suggest that this productivity is partly controlled by the availability of dissolved iron (dFe). As a first step toward understanding the iron supply of the ASP, we introduce four...

Pathways to the Denmark Strait Overflow: A Lagrangian Study in the Iceland Sea

Marieke Femke de Jong, Amy Bower, Henrik Søiland, Heather Furey & Andree L. Ramsey
The goal of this project was to directly measure the dense water pathways upstream of the Denmark Strait in the Iceland Sea and compare the results to existing ideas about the dynamics of the circulation by deploying 45 acoustically tracked RAFOS floats over a two year time period (24-Jul-2013 to 29-May-2015). The floats were ballasted to drift at a target depth of 500m, recording pressure, temperature, and Times Of Arrivals (TOAs) every six hours or...

Supplementary Information: Antibiotic resistance in Vibrio-like bacteria is common on Cape Cod, MA beaches

Megan May & Rebecca J. Gast
Antibiotic resistance (AR) is a natural process, enhanced by anthropogenic antibiotic use. Natural environments, like the ocean, act as reservoirs of resistance; but until recently, little research has examined their dynamics. Six beaches on Cape Cod, MA, with varying human impacts, were sampled over one year on nine occasions. Vibrio-like bacteria were isolated from wet sand, dry sand, and water from each beach and tested for sensitivity to five antibiotics (amoxicillin/clavulanic acid, ciprofloxacin, doxycycline, oxytetracycline,...

Animals on the Move and Deep‐Sea Vents: Dataset for Spherical Display Systems

Stace Beaulieu & Annette Brickley

Hollow Core Fiber Methane Sensor

Anna Michel & Jason Kapit
We have developed a hollow core fiber optic sensor capable of measuring dissolved methane gas in liquids using only nanoliters of sample gas. The sensor is based on an anti-resonant hollow core fiber combined with a permeable capillary membrane inlet which extracts gas from the liquid for analysis.

Registration Year

  • 2022
    8
  • 2021
    13
  • 2020
    5
  • 2019
    10
  • 2018
    1

Resource Types

  • Dataset
    37

Affiliations

  • Woods Hole Oceanographic Institution
    37
  • MIT University
    5
  • Massachusetts Institute of Technology
    3
  • United States Geological Survey
    2
  • Rutgers, The State University of New Jersey
    2
  • University of Pennsylvania
    1
  • University of Washington
    1
  • New England Aquarium
    1
  • University of Georgia
    1
  • University of Groningen
    1