CO-OPS station 8537121: SHIP JOHN SHOAL, DELAWARE RIVER
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Cite as: Center for Operational Oceanographic Products and Services (CO-OPS) (2007): CO-OPS 1-minute Tsunami Water Level Data. NOAA National Centers for Environmental Information. doi:10.7289/V59884XF. Accessed [date].
Quality-Controlled and De-Tided
Coastal Water Level Data (2009-11-07 to 2024-11-06)
Unassessed ("Preliminary")
Coastal Water Level Data (2024)
No tsunami waves reported at this station since NCEI began archiving high-resolution digital observations.
Comments
None
Datums (Epoch: 1983-2001)
| Datum | Description | Value [meters] |
|---|---|---|
| STND | Station Datum | 0.0 |
| MHHW | Mean Higher-High Water | 7.451 |
| MHW | Mean High Water | 7.316 |
| DTL | Mean Diurnal Tide Level | 6.505 |
| MTL | Mean Tide Level | 6.467 |
| MSL | Mean Sea Level | 6.486 |
| MLW | Mean Low Water | 5.618 |
| MLLW | Mean Lower-Low Water | 5.559 |
| GT | Great Diurnal Range | 1.892 |
| MN | Mean Range of Tide | 1.698 |
| DHQ | Mean Diurnal High Water Inequality | 0.135 |
| DLQ | Mean Diurnal Low Water Inequality | 0.059 |
| HWI | Greenwich High Water Interval (in hours) | 2.385 |
| LWI | Greenwich Low Water Interval (in hours) | 9.08 |
Station History
| Date | Notes |
|---|---|
| 1997-10-30 | NOAA NOS CO-OPS establishment of Station 8537121 in support of the NWLON |
| 2009-11-05 | Station 8537121 Sensor and DCP updated to receive 1 minute water level data |
Sensor History
| Date | Type | Make | Model | Serial No. |
|---|---|---|---|---|
| 2009-11-07 | Acoustic Sensor | Aquatrak | NG-3000 Water Level Sensor | 984-3261 |
| 2010-11-20 | Acoustic Sensor | Aquatrak | NG-3000 Water Level Sensor | 1236-4377 |
| 2012-08-11 | Acoustic Sensor | Aquatrak | NG-3000 Water Level Sensor | 1908-4176 |
| 2013-03-16 | Acoustic Sensor | Aquatrak | NG-3000 Water Level Sensor | 2203-4443 |
| 2014-05-28 | Acoustic Sensor | Aquatrak | NG-3000 Water Level Sensor | 1215-3466 |
| 2014-12-26 | Acoustic Sensor | Aquatrak | NG-3000 Water Level Sensor | 1960-4429 |
| 2016-02-03 | Acoustic Sensor | Aquatrak | NG-3000 Water Level Sensor | 1357-3605 |
Our approach to data processing is described in this article.
Top plot: Dates and times of full and new moons acquired from the Astronomical Applications Department of the U.S. Naval Observatory.
Top plot: Dates and times of full and new moons acquired from the Astronomical Applications Department of the U.S. Naval Observatory.