NIWA - Metadata Catalogue
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Geoscientific information
18 record(s)
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Geoscience Australia carried out a marine survey on Lord Howe Island shelf (NSW) in 2008 (SS062008) to map seabed bathymetry and characterise benthic environments through colocated sampling of surface sediments and infauna, rock coring, observation of benthic habitats using underwater towed video, and measurement of ocean tides and wavegenerated currents. Subbottom profile data was also collected to map sediment thickness and shelf stratigraphy. Data and samples were acquired using the National Facility Research Vessel Southern Surveyor. Bathymetric data from this survey was merged with other preexisting bathymetric data (including LADS) to generate a grid covering 1034 sq km. As part of a separate Geoscience Australia survey in 2007 (TAN0713), an oceanographic mooring was deployed on the northern edge of Lord Howe Island shelf. The mooring was recovered during the 2008 survey following a 6 month deployment. lh_4m is an ArcInfo grid of the Lord Howe survey area produced from the processed EM300 bathymetry data of the survey area using the CARIS HIPS and SIPS software.
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The blocks available for bidding for the 2016 Block Offer competitive tender. For more information, please visit New Zealand Petroleum and minerals website:http://www.nzpam.govt.nz/cms
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NZP&M - Spatial representation of all wells in New Zealand. Well header and bore information supplied by industry
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Spatial representation of current petroleum permits in New Zealand
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NIWA REC 2v5 (River Environment Classification) The REC has been used to classify all the rivers of New Zealand at a 1:50,000 mapping scale. The area classified comprises 267,000 km2 and 426,000 km of river network. This datasets is for the River Lines. Attributes associated directly with network: Field - Type - Description: Catarea Real Watershed area in m2 CUM_Area Real Area upstream of a reach (and including this reach area) in m2. Nzsegment Integer Reach identifier to be used with REC2 (supersedes nzreach in REC1). nz_fnode Integer Unique number of preceding river segment's outlet node. nz_tnode Integer Unique number of following river segment's inlet node. Lengthdown RealThe distance to coast from any reach to its outlet reach, where the river drains (m). Headwater Integer Number (0) denoting whether a stream is a “source” (headwater) stream. Non-zero for non-headwater streams. Hydseq Integer A unique number denoting the hydrological processing order of a river segment relative to others in the newtork. StreamOrder Integer A number describing the Strahler order a reach in a network of reaches. euclid_dist Real The straight line distance of a reach from the reach “inlet” to its “outlet”. upElev Real Height (asl) of the upstream end of a reach section in a watershed (m). downElev Real Height (asl) of the downstream end of a reach section in a watershed (m). upcoordX Real Easting of the upstream end of a river segment in m (NZTM2000). upcoordY Real Northing of the upstream end of a river segment in m (NZTM2000). downcoordX Real Easting of the downstream end of a river segment in m (NZTM2000). downcoordY Real Northing of the downstream end of a river segment in m (NZTM2000). sinuosityReal Actual distance divided by the straight line distance giving the degree of curvature of the stream nzreach_rec1 IntegerThe REC1 identifiying number for the corresponding\closest reach from REC1 (can be used to retrieve the REC management classes) headw_dist Integer Distance of the furthermost “source” or headwater reach from any reach (m). Shape_length RealThe length of the reach (vector) as calculated by ArcGIS. Segslpmax Real Maximum segment slope along length of reach. Segslpmean Real Mean segment slope along length of reach. LID Integer Lake Identifier number(LID) of overlapping lake. Reachtype Integer A value of 2 is assigned if the segment is an outlet to the lake, otherwise 0 or null. nextdownid integer segment number of the most downstream reach
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Centre line navigation extracted from em300 multibeam data files. Use for searching line numbers and coverage details. Raw multibeam data held in archives in the Greta Point Tape Store and a duplicate copy on R.V. Tangaroa in the multibeam lab.
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Oceanic Satellite Altimetry 250m: Satellite derived alitimetry 250m resolution vectors
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Beach, Type, NZ, New Zealand
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The release areas for the Block Offer 2016 competitive tender. For more information, please visit the New Zealand Petroleum and MInerals websitehttp://www.nzpam.govt.nz/cms
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Field Description: NZReach Unique national identifierReachID Unique regional identifierTnode To node – used for network direction Fnode From node – used for network directionLength Length of river section (m)Climate Climate level classCSoF Source-of-Flow level classCSoFG Geology level classCSoFGL Land-Cover level classCSoFGLNP Network-Position level classCSoFGLNPVL Valley-Landform level classSrc_of_flw Source-of-Flow factor category Geology Geology factor category Landcover Land-Cover factor category Net_posn Network-Position factor categoryVly_Lfrm Valley-Landform factor categoryOrder Stream order The Field "NZREACH" is the unique field used for joining to all other REC1 data that is available, but not included in the variables above.