Sand waves points (Hydro, 1:22k - 1:90k)

A large mobile wave-like sediment feature in shallow water and composed of sand. The wavelength may reach 100 metres, the amplitude may be up to 20 metres.

S-57 Object Class: Sand waves

S-57 Acronym: SNDWAV

This data was compiled for the use in the scale range 1:22,000 to 1:90,000.

THIS DATA DOES NOT REPLACE NAUTICAL CHARTS AND MUST NOT BE USED FOR NAVIGATION.

This data is based on the S-57 data format used in Electronic Navigational Charts (ENCs) published and maintained by the New Zealand Hydrographic Authority at Land Information New Zealand (LINZ). Refer to the following link for information about S-57 data: http://www.linz.govt.nz/hydro/regulation/

Data and Resources

Additional Info

Field Value
Theme
Author Land Information New Zealand
Maintainer Land Information New Zealand
Maintainer Email Land Information New Zealand
Source https://data.linz.govt.nz/layer/51788-sand-waves-points-hydro-122k-190k/
Source Created 2013-12-23T03:00:57.767199Z
Source Modified 2022-10-20T04:00:49.535854Z
Language English
Spatial {"type": "MultiPolygon", "coordinates": [[[[166.29746943654862, -50.49540361876603], [166.29746943654862, -34.876143157441774], [173.38210294466518, -34.876143157441774], [173.38210294466518, -50.49540361876603], [166.29746943654862, -50.49540361876603]]]]}
Source Identifier https://data.linz.govt.nz/layer/51788-sand-waves-points-hydro-122k-190k/
Dataset metadata created 28 April 2025, last updated 24 May 2025