89 datasets

NASA Earthdata CMR + NASA Data Portal2021 · Image data

This dataset contains four alternative digital elevation models (DEMs) at 1 m resolution and model performance statistical metrics for the Global Change Research Wetland (GCReW) site on the Rhode River, a tributary of the Chesapeake Bay in Maryland, USA, for the year 2016. Three DEMs were created by using different strategies for correcting positive biases in Light Detection and Ranging (LiDAR)-ba

NASA Earthdata CMR2020 · collection

Over time there have been a number of tide gauges deployed at Davis Station, Antarctica. The data download files contain further information about the gauges, but some of the information has been summarised here. Note that this metadata record only describes tide gauge data from 1993 to 2017. More recent data are described elsewhere. Tide Gauge 3 (TG003) This folder contains the following folders:

NASA Earthdata CMR2020 · collection

Over time there have been a number of tide gauges deployed at Mawson Station, Antarctica. The data download files contain further information about the gauges, but some of the information has been summarised here. Note that this metadata record only describes tide gauge data from 1992 to 2016. More recent data are described elsewhere. Tide Gauge 1 (TG001) 1992-03-05 - 1992-05-13 This folder contai

NASA Earthdata CMR2020 · collection

Over time there have been a number of tide gauges deployed at Casey Station, Antarctica. The data download files contain further information about the gauges, but some of the information has been summarised here. Note that this metadata record only describes tide gauge data from 1996 to 2007. More recent data are described elsewhere. Old Tide Gauge 2 (TG002_Old) Oldtg02 is a download from the firs

NASA Earthdata CMR2020 · collection

Over time there have been a number of tide gauges deployed at Macquarie Island Station. The data download files contain further information about the gauges, but some of the information has been summarised here. Note that this metadata record only describes tide gauge data from 1993 to 2007. More recent data are described elsewhere. Macquarie Island used Aquatrak and Druck tide gauges during this

NASA Earthdata CMR2020 · Array ·

The ocean tide is a large component of total variability of ocean surface height and currents in the seas surrounding Antarctica, including under the floating ice shelves. Maximum tidal height range exceeds 7 m (near the grounding line of Rutford Ice Stream) and maximum tidal currents exceed 1 m/s (near the shelf break in the northwest Ross Sea). Tides contribute to several important climate and e

NASA Earthdata CMR2020 · collection

Executive Summary from the report: Geoscience Australia's involvement in Antarctica has primarily been focused on the maintenance and enhancement of geodetic infrastructure within the Australian Antarctic Territory (AAT). Such infrastructure provides a fundamental reference frame for the region and supports earth monitoring science applications on both a regional and continental scale. These found

NASA Earthdata CMR2019 · collection

Tide gauge data collected from pressure tide gauge at Hurd Point, Macquarie Island. Data were collected between 1996-03-07 and 1996-10-27. A temporary tide gauge was installed at Hurd Point as it was suspected that there was a 6 minute wave around the island. The installation was made to determine whether this is correct. Photo Oblique aerial photos showing location of tide gauge, bench mark AUS18

NASA Earthdata CMR2019 · collection

Tide gauge data collected from two platypus gauges (TG040 and TG041 - barometric) at Commonwealth Bay. Data were collected between 2007-11-27 and 2010-02-16. The gauge was a bottom mounted pressure sensor with a self-contained logger. Sea temperature and barometric pressure were also recorded. Further information is also available from the National Tidal Centre at the Bureau of Meteorology.

NASA Earthdata CMR2019 · collection

Tides are measured using a submerged pressure type gauge secured in a heavy concrete mooring in Nella Fjord in the Larsemann Hills near Zhong Shan station. Tidal records are retrieved from the gauge using an inductive loop lowered through a hole in the ice hence the gauge has been undisturbed since it was deployed. Documentation dated 2001-06-12 Zhong Shan Submerged Tide Gauge The gauge used at Zh

NASA Earthdata CMR2019 · collection

Tides were measured using a portable pressure transducer secured just below low water line. A 22 hour record was obtained. A connection was made to the local Pageos benchmark by leveling and a 2 hour GPS observation. Additionally, the National Tidal Centre also has tidal data from Heard Island for 1948, 1980 and from 1986-1987. Documentation dated 2001-03-07 Heard Island Tide Gauge. A Platypus Eng

NASA Earthdata CMR2019 · collection

Tides were measured using a portable pressure transducer secured just below low water line. A 30 day record was obtained. Numerous manual water level measurements were made to connect the tide gauge to the local benchmark. From these observations a local mean sea level was obtained. Documentation dated 2001-03-07 Beaver Lake and the Stillwell Hills In Dec 1996 - Jan 1997 a temporary pressure type

NASA Earthdata CMR2019 · collection

Tides were measured using a portable pressure transducer secured to fast ice at the mouth of Pagodroma Gorge with the transducer about 4 metres below low water line. A 30 day record was obtained. Documentation dated 2001-03-07 Beaver Lake and the Stillwell Hills In Dec 1996 - Jan 1997 a temporary pressure type tide gauge was deployed at Beaver Lake and the Stillwell Hills in open water. Timed wate

NASA Earthdata CMR2014 · collection

This survey report describes surveys done by Ryan Ruddick of Geoscience Australia at Casey during the 2013/14 summer season. In addition to survey work for Geoscience Australia, Ryan also carried out some tasks for the Australian Antarctic Division. The latter included levelling to the reference mark of the tide gauges at the wharf, surveys of buildings new or modified since the last survey and a

NASA Earthdata CMR2013 · collection

Report of surveying carried out at Casey station, Antarctica during Voyage 2 of the Australian Antarctic Program, 2011/2012. The surveying was carried out by David Cromarty between 11 December and 19 December 2011. Tasks completed: 1. Levelling to the top of the tide gauge at the Casey wharf. 2. Calibration of the tide gauge using the floating GPS technique. 3. Surveying of a number of features at

NASA Earthdata CMR2013 · collection

Survey report from Davis and Mawson stations, Antarctica - conducted during the summer of 2012/2013 by Henk Brolsma. Purpose of the field work at Davis and Mawson stations: 1. Upgrade station GIS for the location of new buildings, additions to buildings, road works, extent of the quarry and location of fire hydrants and hose reels. 2. Calibrate the tide gauges using the floating GPS technique. 3.

NASA Earthdata CMR2013 · collection

Survey report for Casey Station, 1979, by the wintering senior technical officer, JC Sutton. Taken from the survey report: Purpose: - Provision of site details for proposed building program - Extension of mapping control in the vicinity of Casey Station - Establish a tide gauge at Casey Station - Provide survey support for the glaciology program During the 1979 changeover period the following surv

NASA Earthdata CMR2012 · collection

Taken from the survey report: This report details the survey work carried out on Macquarie Island in April 2012 on re-supply Voyage 6 by Australian Antarctic Division Mapping Officer, Henk Brolsma and UTAS final year survey student, David Cromarty. The first task of the survey team was to calibrate the tide gauges and second to bring the location of the station area buildings up to date. Second pr

NASA Earthdata CMR2012 · collection

Taken from sections of the report: Project officers Samim Naebkhil and Michael Moore from Geodetic operations within Geoscience Australia Earth Monitoring Group took part in the 2004/2005 Summer Antarctic Geodesy Program. Samim Naebkhil left Hobart aboard Aurora Australis on Voyage 1 on the 5th of October, 2004 to Casey. Michael Moore left aboard V2 in November 2004. The 2004/2005 season had a num

NASA Earthdata CMR2012 · collection

Taken from sections of the report: In recent years, Geoscience Australia (GA) has increased its capability on the Antarctic continent with the installation of Continuous Global Positioning System (CGPS) sites in the Prince Charles Mountains and Grove Mountains. Over the course of the 2006/07 Antarctic summer, Alex Woods and Nick Brown from Geoscience Australia (GA) collaborated with Dan Zwartz of

NASA Earthdata CMR2012 · collection

Taken from sections of the report: Geoscience Australia operates a network of continuous geodetic quality GPS receivers, on geologically stable marks in Australia, Australia Antarctic Territory and in the South Pacific. The network in Australia and in the Australian Antarctic Territory is called the Australian Regional GPS Network (ARGN). The network in the South Pacific is for the South Pacific S

NASA Earthdata CMR2012 · collection

Ocean circulation beneath ice shelves and associated rates of melting and freezing are influenced strongly by water column thickness and depth. The shape of the cavity beneath the Amery Ice Shelf is important for our understanding of ice shelf stability and freshwater input to the ocean and their dependence on climate. New seismic surveys of the centre region of the Amery Ice Shelf and ice-draft d

NASA Earthdata CMR2011 · collection

In July 1989 a circular was distributed calling for applicants for survey duties in the Antarctic over the 1989-90 summer season. The aim of this survey was to carry out a number of survey tasks in the Vestfold Hills, Larsemann Hills, Mawson and the Southern Prince Charles Mountains. It soon became apparent that for logistic reasons deployment in the PCMs would be difficult and this part of the su

NASA Earthdata CMR2010 · collection

Taken from sections of the report: 1. Introduction This report details the survey work carried out on Macquarie Island during November 1997 by LANDINFO staff on behalf of the Australian Antarctic Division's Mapping Program. The main task of the survey team was to acquire aerial photography of the island to enable the production of a new topographic map of the island. Other tasks involved field che

NASA Earthdata CMR2009 · collection

Henk Brolsma and Roger Handsworth of the Australian Antarctic Division carried out GPS surveys at Casey, Casey skiway and Mitchell Peninsula in February 2009. At Casey they surveyed the quarry face, the wharf and the road from the quarry to the station and then to the wharf. They also collected the location of the tide gauges installed at the wharf. The Casey skiway was surveyed at the request of