Posts
ESTIMATING OBSERVER AND DATA REPUTATION IN MARINER VOLUNTEERED BATHYMETRY
1. Introduction Most hydrographic offices (HOs) now agree that data volunteered by mariners, called variously Crowdsourced Bathymetry or…
Editorial IHR 25
Welcome to the May 2021 edition of the International Hydrographic Review! I am excited to share the articles…
THE BATHYMETRIC COMPILATION, A TRUE CHALLENGE IN THE NAUTICAL CHART GENERATION PROCESS
1. Introduction 1.1 Bathymetry Generalisation for Nautical Charts Generation. A Required Process Topographic maps usually represent both natural and…
AN OVERVIEW OF THE NOAA ENC RE-SCHEMING PLAN
1. Introduction The International Maritime Organization (IMO) requires commercial shipping to carry nautical charts and nautical publications for…
Singapore’s National Marine Spatial Data Infrastructure “GEOSPACE-SEA”: Enabling Hydrospatial Context
1. Introduction At Singapore’s World Hydrography Day celebrations in June 2019, the Maritime and Port Authority of Singapore (MPA)…
HYDROGRAPHY FROM FISHERIES SURVEYS – Filling Coverage Gaps with Bathymetry Extracted from Simrad EK60 Water Column Data
1. Introduction As of January 2020, the National Oceanic and Atmospheric Administration (NOAA) has classified 54% of the…
EVALUATION OF THE PRECISION OF PHASE-MEASURING BATHYMETRIC SIDE SCAN SONAR RELATIVE TO MULTIBEAM ECHOSOUNDERS
1. Introduction An important component of a hydrographic survey is the bathymetric measurements. Currently, Multibeam Echosounder (MBES) systems…
THE CANADIAN OCEAN MAPPING RESEARCH AND EDUCATION NETWORK (COMREN)
Abstract In Canada, ocean, river, lake and coastal mapping knowledge, capacity building and know-how are strengthened through a…
ACCELERATING THE USAGE OF EARTH AND OCEANS OBSERVATION DATA IN HYDROGRAPHIC APPLICATIONS
1. Introduction The Canadian Hydrographic Service (CHS) is the national Hydrographic Office (HO) which is responsible for aiding…
ELLIPSOIDALLY REFERENCED SURVEYING TECHNIQUE – A Review of the Current Status and Development of Ellipsoidally Referenced Surveying Technique in the Coastal and Offshore Zones for Hydrographic Survey Practice
1. Introduction Hydrographic surveying deals with depth determination at particular known areas normally for the purpose of creating…
THIRTY YEARS OF SATELLITE DERIVED BATHYMETRY The charting tool that Hydrographers can no longer ignore.
Abstract Thirty years after being introduced into national chart series, Satellite Derived Bathymetry (SDB) charts are still struggling…
Editorial IHR 24
Welcome to the November 2020 edition of the International Hydrographic Review! It was my hope that this edition…