Explanipedia

Quality-checked species records from the German citizen science platform ArtenFinder Open

Thore Engel, Yannick Brenz, H.S. Geyer, Jörg Holetschek, Aletta Bonn , et al. · 2025

Volunteers and citizen science initiatives play a crucial role for the documentation of species occurrences and distributions. When quality-checked and openly available, such data can provide information for biodiversity research and natur…

The International Bathymetric Chart of the Arctic Ocean Version 5.0 Open

Martin Jakobsson, Rezwan Mohammad, Magnus Karlsson, Silvia Salas‐Romero, Florian Vacek , et al. · 2024

Knowledge about seafloor depth, or bathymetry, is crucial for various marine activities, including scientific research, offshore industry, safety of navigation, and ocean exploration. Mapping the central Arctic Ocean is challenging due to …

Mapping and Geomorphic Characterization of the Vast Cold-Water Coral Mounds of the Blake Plateau Open

Derek Sowers, Larry A. Mayer, Giuseppe Masetti, Erik E. Cordes, Ryan Gasbarro , et al. · 2024

A coordinated multi-year ocean exploration campaign on the Blake Plateau offshore of the southeastern U.S. has mapped what appears to be the most expansive cold-water coral (CWC) mound province thus far discovered. Nearly continuous CWC mo…

Groundtruther: A QGIS plug-in for seafloor characterization Open

Massimo Di Stefano, Genoveva Gonzalez Mirelis, Larry A. Mayer · 2023

This work focuses on developing a software system for concurrently analyzing co-located multibeam echo sounder (MBES) datasets and seafloor imagery, fulfilling the need for a unified seafloor data exploration and analysis platform. The sys…

The International Bathymetric Chart of the Southern Ocean Version 2 Open

Boris Dorschel, Laura Hehemann, Sacha Viquerat, Fynn Warnke, Simon Dreutter , et al. · 2022

Polar Region Bathymetry: Critical Knowledge for the Prediction of Global Sea Level Rise Open

Martin Jakobsson, Larry A. Mayer · 2022

The ocean and the marine parts of the cryosphere interact directly with, and are affected by, the seafloor and its primary properties of depth (bathymetry) and shape (morphology) in many ways. Bottom currents are largely constrained by und…

Environmental and Geomorphological Effects on the Distribution of Deep-Sea Canyon and Seamount Communities in the Northwest Atlantic Open

Kristen Mello-Rafter, Derek Sowers, Mashkoor Malik, Les Watling, Larry A. Mayer , et al. · 2021

Deep sea canyons and seamounts are topographically complex features that are considered to be biological hotspots. Anthropogenic pressures related to climate change and human activities are placing the species that inhabit these features a…

Spatial Analysis of Beaked Whale Foraging During Two 12 kHz Multibeam Echosounder Surveys Open

Hilary Kates Varghese, Kim Lowell, Jennifer Miksis‐Olds, Nancy DiMarzio, David Moretti , et al. · 2021

To add to the growing information about the effect of multibeam echosounder (MBES) operation on marine mammals, a study was conducted to assess the spatial foraging effort of Cuvier’s beaked whales during two MBES surveys conducted in Janu…

The Holocene dynamics of Ryder Glacier and ice tongue in north Greenland Open

Matt O’Regan, Thomas M. Cronin, Brendan T. Reilly, Aage Kristian Olsen Alstrup, Laura Gemery , et al. · 2021

The northern sector of the Greenland Ice Sheet is considered to be particularly susceptible to ice mass loss arising from increased glacier discharge in the coming decades. However, the past extent and dynamics of outlet glaciers in this r…

Comment on tc-2021-95 Open

Matt O’Regan, Thomas M. Cronin, Brendan T. Reilly, Aage Kristian Olsen Alstrup, Laura Gemery , et al. · 2021

Abstract. The northern sector of the Greenland Ice Sheet is considered to be particularly susceptible to ice mass loss arising from increased glacier discharge in the coming decades. However, the past extent and dynamics o…

Inspiring U.S. Contributions to the UN Ocean Decade: The U.S. National Committee and Ocean-Shots Open

Larry A. Mayer, Rick Spinrad, Susan Jo Roberts · 2021

Comment on tc-2021-95 Open

Matt O’Regan, Thomas M. Cronin, Brendan T. Reilly, Aage Kristian Olsen Alstrup, Laura Gemery , et al. · 2021

Abstract. The northern sector of the Greenland Ice Sheet is considered to be particularly susceptible to ice mass loss arising from increased glacier discharge in the coming decades. However, the past extent and dynamics o…

The climate sensitivity of northern Greenland fjords is amplified through sea-ice damming Open

Christian Stranne, Johan Nilsson, Adam Ulfsbo, Matt O’Regan, Helen K. Coxall , et al. · 2021

Supplementary material to "The Holocene dynamics of Ryder Glacier and ice tongue in north Greenland" Open

Matt O’Regan, Thomas M. Cronin, Brendan T. Reilly, Aage Kristian Olsen Alstrup, Laura Gemery , et al. · 2021

CTD and bathymetric profile (Fig. S1) Detailed views of the location of the CTD (white) and bathymetric (red) profiles presented in the manuscript (Figs. 3 and 10).CTD stations are shown as white dots, and coring stations as yellow dots.Th…

The Holocene dynamics of Ryder Glacier and ice tongue in north Greenland Open

Matt O’Regan, Thomas M. Cronin, Brendan T. Reilly, Aage Kristian Olsen Alstrup, Laura Gemery , et al. · 2021

The northern sector of the Greenland ice sheet is considered to be particularly susceptible to ice mass loss arising from increased glacier discharge in the coming decades. However, the past extent and dynamics of outlet glaciers in this r…

A deep scattering layer under the North Pole pack ice Open

Pauline Snoeijs, Harald Gjøsæter, Randi B. Ingvaldsen, Tor Knutsen, Rolf J. Korneliussen , et al. · 2021

The 3.3 million km marine ecosystem around the North Pole, defined as the Central Arctic Ocean (CAO), is a blind spot on the map of the world's fish stocks. The CAO essentially comprises the permanently ice-covered deep basins and ridges o…

Fine‐scale mapping of deep‐sea habitat‐forming species densities reveals taxonomic specific environmental drivers Open

Jennifer A. Dijkstra, Kristen Mello, Derek Sowers, Mashkoor Malik, Les Watling , et al. · 2021

Aim Environmental variables are strongly tied to species occurrence and population growth, but approaches to predicting the location of deep‐sea species or their ability to withstand a changing environment stem primarily from presence data…

Ice-ocean interactions on Ryder Glacier in North Greenland  Open

Johan Nilsson, Martin Jakobsson, Christian Stranne, Matt O’Regan, Larry A. Mayer · 2021

<p>Here, we report oceanographic observations and multi-beam bathymetry from the previously uncharted Sherard Osborn Fjord in North Greenland, collected in the summer of 2019 by the Swedish icebreaker Oden. Ryder Glacier, which has G…

The Quest to Completely Map the World’s Oceans in Support of Understanding Marine Biodiversity and the Regulatory Barriers WE Have Created Open

Larry A. Mayer, J. Ashley Roach · 2021

This paper reviews the current poor state of our knowledge of the bathymetry of the seafloor (only approximately 15% has been mapped by modern bathymetric sonars) and discusses the efforts being made under the auspices of the Nippon Founda…

Ryder Glacier in northwest Greenland is shielded from warm Atlantic water by a bathymetric sill Open

Martin Jakobsson, Larry A. Mayer, Johan Nilsson, Christian Stranne, Brian R. Calder , et al. · 2020

The processes controlling advance and retreat of outlet glaciers in fjords draining the Greenland Ice Sheet remain poorly known, undermining assessments of their dynamics and associated sea-level rise in a warming climate. Mass loss of the…

A global geographic grid system for visualizing bathymetry Open

Colin Ware, Larry A. Mayer, Paul Johnson, Martin Jakobsson, V. L. Ferrini · 2020

A global geographic grid system (Global GGS) is here introduced to support the display of gridded bathymetric data at whatever resolution is available in a visually seamless manner. The Global GGS combines a quadtree metagrid hierarchy wit…

Scientific Challenges and Present Capabilities in Underwater Robotic Vehicle Design and Navigation for Oceanographic Exploration Under-Ice Open

Laughlin D. L. Barker, Michael V. Jakuba, Andrew J. Bowen, Christopher R. German, Ted Maksym , et al. · 2020

This paper reviews the scientific motivation and challenges, development, and use of underwater robotic vehicles designed for use in ice-covered waters, with special attention paid to the navigation systems employed for under-ice deploymen…

Tracking the spatiotemporal variability of the oxic–anoxic interface in the Baltic Sea with broadband acoustics Open

Elizabeth Weidner, Christian Stranne, Jonas Hentati‐Sundberg, Thomas C. Weber, Larry A. Mayer , et al. · 2020

Anoxic zones, regions of the water column completely devoid of dissolved oxygen, occur in open oceans and coastal zones worldwide. The Baltic Sea is characterized by strong salinity-driven stratification, maintained by occasional water inf…

DSDP Leg 68, Hole 501 - Well Logging Data Open

Warren L Prell, James V. Gardner, Charles G. Adelseck, G. Blechschmidt, Andrew Fleet , et al. · 2020