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35 results for “Amundsen Sea”
FIGURE 2. Austropolaria magnicirrata n. gen. n in A new genus and species of Polynoidae (Annelida, Polychaeta) from Pine Island Bay, Amundsen Sea, Southern Ocean-a region of high taxonomic novelty
FIGURE 2. Austropolaria magnicirrata n. gen. n. sp., holotype NHM 2012.92. (A) anterior end, dorsal view; left dorsal cirrus of segment 3 and styles of median antenna and left tentacular cirri missing, parapodia of left side damaged; (B) posterior end, lateral view; parapodia not figured, styles of dorsal and anal cirri missing; (C) elongate cirrophore of segment 6, reduced elytrophore of segment 7, and conical cirrophore of segment 8, left side; (D) right cirrigerous parapodium of segment 6, posterior view; style of dorsal cirrus missing; (E) long notochaeta; (F) distal half of middle neurochaeta; (G) tip of same. (Scales A–C = 2 mm; D = 1 mm; E, F = 250 µm; G = 100 µm).
FIGURE 1 in A new genus and species of Polynoidae (Annelida, Polychaeta) from Pine Island Bay, Amundsen Sea, Southern Ocean-a region of high taxonomic novelty
FIGURE 1. Pine Island Bay and the position of epibenthic sledge stations sampled during the BIOPEARL 2 (JR 179) cruise. (modified from Kaiser et al. (2009)
FIGURE 4. Austropolaria magnicirrata n. gen. n in A new genus and species of Polynoidae (Annelida, Polychaeta) from Pine Island Bay, Amundsen Sea, Southern Ocean-a region of high taxonomic novelty
FIGURE 4. Austropolaria magnicirrata n. gen. n. sp., holotype NHM 2012.92 (a) cirrophores—ci and elytraphores—el on segments 3–6, elytra and styles of dorsal cirri missing, damaged; (b) parapodium; (c) notochaeta, SEM image; (d) notchaetae; (e) neurochaetae. (Scales: A = 200 µm; B = 1mm; C = 20 µm; D = 125 µm; E = 50 µm). Footnotes: In the 'Material' section, complete specimens are indicated by 'cs'. Measurements: length (L) is measured from the anterior margin of the prostomium to the posterior border of the last segment (pharynx not included, if everted), width (W) is taken at the widest segment, including parapodia but excluding chaetae.
Data for manuscript 'The response of Ross Sea shelf water properties to enhanced Amundsen Sea ice shelf melting'
<p>Data for manuscript 'The response of Ross Sea shelf water properties to enhanced Amundsen Sea ice shelf melting'.</p> <p>This repository contains the average data for the last 5 years for each sensitivity experiment used for analysis and processed data used to generate the figures in the manuscript.</p>
The effect of ice damage on Amundsen Sea Embayment projections
<p>==============================================================<br>The effect of ice damage on Amundsen Sea Embayment projections<br>==============================================================</p> <p>------------------------------<br>INTRODUCTION<br>------------------------------</p> <p>This dataset contains the data and scripts required to reproduce the figures and tables presented in the study:<br>"The effect of ice damage on Amundsen Sea Embayment projections".</p> <p>------------------------------<br>PROVIDED SCRIPTS: <br>------------------------------</p> <p>Kori-ULB contains all the necessary script to reproduce this study. Script are sorted by subfolder (ASE_scripts, MISMIP+_scripts, subroutines). The main scripts are:</p> <p> - 'KoriModelAll.m' and 'KoriInputParams.m': Kori-ULB ice flow model (more info at https://github.com/FrankPat/Kori-ULB)<br> - 'Init.m': Initialization script<br> - 'DamageForcing.m': Forcing script<br> - 'LHSensemble.mat': Parameter Ensemble. In this study only u0.<br> - 'MISMIPplus.m': MISMIP= script.<br> <br>------------------------------<br>PROVIDED DATA: <br>------------------------------</p> <p>Data are stored in the ASE and AIS folder. 1D fields are stored in 1D_DATA. 2D fields are stored in 2D_DATA. </p> <p>1D files:<br> law:<br> - 'gln' refers to glen flow law.<br> - 'bye' refers to Nye damage law.<br> - 'wrt' refers to Weertman damage law.</p> <p> scenario: <br> - 'pd' present-day forcing<br> - 'rcp26' RCP2.6 forcing<br> - 'rcp85' RCP8.5 forcing<br> <br> variables with time dimension:<br> - 'SLC' sea-level contribution in meters<br> - 'Ag' grounded ice extension in m^2<br> - 'n' number of simulations which are still running <br> <br> variables without time dimension:<br> - 'dBMB_2100-2015' Basal-mass balance between year 2100-2015 (in Gt)<br> - 'ddynC_2100-2015' Dynamical mass loss between year 2100-2015 (in mm)<br> <br>2D files:<br> We selected only the snapshot for RCP8.5 scenario which are presented in the main manuscript since they are too heavy. We can provide the rest of the data upon request.<br> <br>------------------------------<br>FIGURES: <br>------------------------------</p> <p>'FigureScript' contains the python script to reproduce the presented figures. The path to the data needs to be changed accordingly.</p>
Amundsen Sea seal-tag CTD data (2014, 2019, 2020)
<p>1. Seal-tag hydrographic CTD measurements collected in the Amundsen Sea in 2014, 2019, and 2020.</p> <p>Columns are: Latitude [<sup>o</sup>], Longitude [<sup>o</sup>], Temperature [<sup>o</sup>C], Salinity [PSU], depth, z [m], absolute salinity, SA [g/kg], conservative temperature, CT [<sup>o</sup>C], potential temperature, PT [<sup>o</sup>C], potential density, PD [kg/m<sup>3</sup>], N<sub>2</sub>, Datetime [yyyy-mm-dd hh:mm:ss], Station/seal name. </p> <p>The official seal tag dataset can be found here: https://www.meop.net/database/meop-databases/.</p> <p>2. Remote sensing imagery (MODIS, Landsat) dates and links.</p>
Exploring the roles of iron and irradiance in dynamics of diatoms and Phaeocystis in the Amundsen Sea continental shelf water
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Bowhead whales overwinter in the Amundsen Gulf and Eastern Beaufort Sea
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Sediment trap results from Amundsen Sea Polynya International Research Expedition (ASPIRE) including C, N and mass fluxes and isotopic composition, Dec 2010 - Dec 2011
The gravitational settling of particles is a major biogeochemical process linking the carbon cycles and ecosystems of the upper ocean, twilight zone and deep sea. Particle interceptor or sediment traps are used to collect settling particles and provide estimates of their vertical fluxes to various depths. We used a new Technicap 24-sample time series sediment trap deployed at 350 m depth in the Amundsen Sea polynya (73o 49’ S, 113o 04’ W, 2010-12.
Numerical model output data for publication "Control of the oceanic heat content of the Getz-Dotson Trough, Antarctica, by the Amundsen Sea Low"
<p>Contains MITgcm model output data to reproduce the analyses of the paper "Control of the oceanic heat content of the Getz-Dotson Trough, Antarctica, by the Amundsen Sea Low", by Dotto and co-authors, published in Journal of Geophysical Research-Oceans (doi: 10.1029/2020JC016113). The model simulation is presented and described in Kimura et al. (2017; doi: 10.1002/2017JC012926) and in Dotto et al. (2019; doi: 10.1175/JPO-D-19-0064.s1). See the 'ReadMe.txt' file for a description of the data. </p> <p> </p>
Figure 1 from: Moreau C, Linse K, Griffiths H, Barnes D, Kaiser S, Glover A, Sands C, Strugnell J, Enderlein P, Geissler P (2013) Amundsen Sea Mollusca from the BIOPEARL II expedition. ZooKeys 294: 1-8. https://doi.org/10.3897/zookeys.294.4796
Figure 1 - BIOPEARL II EBS stations in the Amundsen Sea and its seafloor topography. The bathymetry colour legend goes from 200m (red) to 4000m (dark blue).
Figure 2 from: Moreau C, Linse K, Griffiths H, Barnes D, Kaiser S, Glover A, Sands C, Strugnell J, Enderlein P, Geissler P (2013) Amundsen Sea Mollusca from the BIOPEARL II expedition. ZooKeys 294: 1-8. https://doi.org/10.3897/zookeys.294.4796
Figure 2 - BIOPEARL II station and number of replicates reported on the seafloor topography of the Amundsen Sea Embayment.
Bathymetry of the Amundsen Sea Embayment
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MITgcm model setup and output for "Submesoscale variability and basal melting in ice shelf cavities of the Amundsen Sea"
<p>Here, it contains the results of the high-res eastern AMS simulation. A detailed description of the model configuration and model output is provided by Nakayama et al.,2019.</p><p>Nakayama, Yoshihiro, Georgy Manucharyan, Hong Zhang, Pierre Dutrieux, Hector S. Torres, Patrice Klein, Helene Seroussi, Michael Schodlok, Eric Rignot, and Dimitris Menemenlis. "Pathways of ocean heat towards Pine Island and Thwaites grounding lines." <i>Scientific reports</i> 9, no. 1 (2019): 16649.</p><p>Due to space limitations, please access NASA data for all other model daily outputs (Registration is required). https://ecco.jpl.nasa.gov/drive/files/ECCO2/High_res_PIG/AMS_200m. </p><p>Contents can be downloaded easily using wget (see link below).<br>https://ecco-group.org/docs/wget_download_multiple_files_and_directories.pdf</p><p>(Contents)<br>code.zip (code to run this simulation)<br>input_ctrl.zip (input file required for this simulation <br>input_nomelt.zip (input file required for this simulation <br>results_ctrl.zip (days 30 and 60))<br>results_nomelt.zip (days 30 and 60))<br>Caution: You need to download heavier input files to rerun this simulation from ECCO-Drive. <br><br>(How to build and run)<br>mkdir build<br>./../../tools/genmake2 -of ../../../tools/build_options/linux_amd64_ifort+mpi_ice_nas -mpi -mods ../code/<br>make depend<br>make -j 16<br>cd ..<br>mkdir test<br>cd test<br>ln -sf ../input/* .<br>ln -sf /nobackup/hzhang1/forcing/era_xx_it33/ .<br>cp ../build/mitgcm_uv .<br>qsub run8_sandy_tracer_init_cont_2.pbs</p>
MEaSUREs InSAR-Based Ice Velocity of the Amundsen Sea Embayment, Antarctica V001
This data set, part of the NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) Program, provides high-resolution, digital mosaics of ice motion in the Amundsen Sea Embayment (ASE) and West Antarctica, including the Pine Island, Thwaites, Haynes, Pope, Smith, and Kohler glaciers. The mosaics were assembled from interferometric synthetic-aperture radar (InSAR) data acquired in 1996, 2000, 2002, and 2006-2012 by various satellites. See <a href="https://nsidc.org/data/measures/aiv">Antarctic Ice Sheet Velocity and Mapping Data</a> for related data.
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