GeoTide: Specification
Source
Duration: 1 Month to over 18 Years
Intervals: Regular / Irregular (may include gaps)
Source: Automated Tide Gauge / Spreadsheet / Text File
Tidal Data: 1D / 2D (Streams)
ASCII User Definable Input Format
Points Editor: Graphical with zoom, resizable window, mouse point selection.
Point Deletion by Point and Click Lasso Box
Data Filtering & Glitch Removal: By value, slope, block, interval, averaging.
Number of input points:over 2 million
Dynamic Cursor Readout
Tidal Harmonic Analysis
Harmonic Constituent Analysis: By Matrix Inversion or Least Squares Iteration
Constituent Sets:
UKHO: Simplified - including Non-linear F4 and F6 Constituents
UKHO: TotalTide
NOAA: 1 to 6 Month, NOAA 6 Month+
Geotide: 1 to 3 Months, 3 to 6 Month, 6 Month to 1 Year, 1Year+
User Definable:
Constituents: Individual or Lumped Groups
Lunar Nodal Modulation Components -: Included
Shallow Water Coefficients: Algebraic or Harmonic Methods
Number of Tidal Constituents: Unlimited
Encryption of Harmonic Constants
Power Spectrum Display: using Complex Digital Fourier Transform
Operational Audit Log
Tidal Prediction
Graphics: Resizable, Zoomable, Draggable, Configurable*
Tables: HO Style, High & Low Tides, Hourly Tides, Configurable*
Day & Month names: User Definable *
Tidal Location Names: Support for non-Western Scripts (e.g. Arabic).
Tide Table Formats: HTML, PDF*
List or Export: High or Low Tides, Tide at Regular Intervals, Highest and Lowest 'N' Exceptional Tides, Lunar Phases, Sunrise-Sunset Times
Location Map
Extreme Value Analysis
Analysis Methods: Gumble/AMAX/AMIN/TMAX/TMIN
Allowance for Non-Stationary Series - e.g. Sea Level Rise
Flood Return Period
Sea Defence Height
Documentation
User Manuals
Interactive Help File
System Requirements
Microsoft Windows Versions 7,8,10,11
* Notes
PDF: Output Requires 3rd Party PDF Printer Driver
Configurations can be hidden from the general operator.
Map: Requires access to internet.
Copyright
The output from GeoTide is copyright free. We do not claim copyright on its output.
Our customers and clients may claim copyright on GeoTide output (tidal levels, harmonic constants, flood defence height) if they wish.