earth science

RV Roger Revelle

RV Roger Revelle is a earth science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand RV Roger Revelle rather than just read about it. In short: RV Roger Revelle is a Thomas G. Thompson-class oceanographic research ship operated by Scripps Institution of Oceanography under charter agreement with Office of Naval Research as part of the University-National Oceanographic Laboratory System (UNOLS) fleet.

Key takeaways

RV Roger Revelle belongs to earth science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect RV Roger Revelle to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of RV Roger Revelle from memory before moving on to harder problems.

Reference excerpt

RV Roger Revelle is a Thomas G. Thompson-class oceanographic research ship operated by Scripps Institution of Oceanography under charter agreement with Office of Naval Research as part of the University-National Oceanographic Laboratory System (UNOLS) fleet. The ship is named after Roger Randall Dougan Revelle, who was essential to the incorporation of Scripps into the University of California San Diego.

Construction and characteristics

Roger Revelle was built by Halter Marine Inc., Gulfport, Mississippi. She was laid down on 9 December 1993 and launched on 20 April 1995. She was delivered to the U.S. Navy 11 June 1996, as RV Roger Revelle (T-AGOR-24), a Thomas G. Thompson-class oceanographic research ship. Her maiden voyage was from Gulfport to San Diego, California, the following month. She is a sister ship to the RV Thomas G. Thompson (UW), NOAAS Ronald H. Brown (NOAA) and RV Atlantis (Woods Hole), all built upon the same design. The Roger Revelle underwent a $60 million refit between 2019 and 2020, where over six miles of cable were replaced. The refit overhauled the power systems, ballast management, bow thruster (to a new retractable ZF thruster), refurbished the A-frame, and added a scientific gondola. The refit is estimated to add 15 years of operational life to the ship (until 2035).

Navigational capabilities GPS Furuno GP150 (2) ADU GPS Ashtech Attitude-sensing System RADAR Sperry 3 cm, 10 cm Acoustic Positioning System Nautronix 916 SBL/LBL Fathometer Furuno FV 700 50 kHz Doppler Speed Log – ODEC 200 kHz Doppler Speed Log – EDO 600 kHz Dynamic Positioning - Kongsberg DP-System ADF - Kongsberg-Simrad Taiyo Gyro - Sperry MK 37 (2)

Data acquisition sensors and processing systems As of 2014, the ship comes standard with these set of Oceanographic sensors; with provisions, space, and modularity to add a variety of other scientific sensors and equipment.

Furuno FAR2117 X-Band Radar coupled to a WAMOS wave and surface current monitoring system. Configured to 1.5 nm range, with antenna rotation speed at 42 rpm. RD Instruments 75 & 150 kHz broadband Acoustic Doppler Currents Profiler (ADCP), running University of Hawaii SOEST's UHDAS software. UCSD Ocean Physics Group 50 and 140 kHz High-Resolution Hydrographic Doppler Sonar System (HDSS), using UCSD-OPG's HDSS software (similar in function to the ADCP). Bell BGM-3 Gravimeter, with LaCoste & Romberg portable gravimeter for gravity tie and calibration. Turo Quoll Fast Deep XBT system Kongsberg EM122 multibeam echosounder sonar (bathymetry) Knudsen Engineering 3260 and 320B/R 3.5 & 12 kHz singlebeam echosounder sub-bottom profiler. iXBlue Hydrins, and Phins-III are the main Motion Reference Units (Gyro's) used by the ship's standard Oceanographic sensors, with feeds available throughout the ship in UDP or Serial formats. Trimble SPS351, Furuno GP150, and Ashtech ADU3 GPS' provide redundant and accurate GPS and attitude information at various frequencies for the science equipment. These feeds can be accessed throughout the vessel by science teams via either UDP or Serial. Trimble GPS and End Run time servers that provides NTP GPS-derived time, IRIG-B and 1 PPS synronization along with other time measurements UCSD-SIO MET; a comprehensive meteorological system and software suite developed by Scripps Institution of Oceanography, providing wind speed/direction, relative humidity, barometric pressure, long and shortwave radiation, air temperature, sea surface temperature, and precipitation. The software also provides a winch load data during towing, dredging, and CTD operations. SeaBird scientific CTD, sampling rosette frame, and auxiliary oceanographic sensors.

Winches Markey DUTW-9-11 traction-drum winch with dual storage drums. Normally 15,000 m of 9/16" 3 x 19 trawl wire is on one storage drum and 10,000 m of 0.680" electromechanical cable on the other. Wires over the side lead to A-frame or main deck crane. Capable of fiber optic cable through A-frame. Markey DESH 5 hydrographic winch, with 10,000 m of 1/4" 3 x 19 hydrographic wire, or 10,000 m of 0.322" three-conductor electromechanical CTD cable on Lebus grooving. Wire drums are interchangeable, one is stowed while the other is in use. Wires lead over starboard side via retractable hydroboom. CAST-6/Allied Crane CTD Handling System with 10,000 m of 0.322" three-conductor electromechanical CTD cable on Lebus grooving. Wire leads over starboard side via Allied crane articulating boom. Assorted portable winch and wire combinations available for cruise-specific requirements.

Support equipment Primary, North American cranes (3) on starboard quarter, main deck and on port side, 02 level. Morgan Marine cranes (2), normally on foredeck and at other locations to suit mission. Fritz-Culver A-frame at stern, retractable hydroboom on starboard side by staging bay door. Blue Extension crane on starboard 01 aft of rescue boat davit. Extensive (~3,000) bolt down fittings for securing removable equipment on all decks and inside laboratories (2' X 2' pattern). 1" sockets outside, 1/2" sockets inside. Uncontaminated seawater supply to all labs (except computer lab). Through-hull instrument well in staging bay, nominal 24" diam. tube. Two installed Price A300 compressors provide 1850 psi air for seismic work.

Computing environment Shipboard computer systems consists of a cluster of Linux (CentOS) servers capable of up to 20 Terabytes of available and expandable cruise data storage in RAID6 configuration. The cluster provides email, intranet, NAS, DHCP, proxy, SAMBA, Active Directory, data processing, and data procurement services. Internet is provided using a combination of UNOLS-designed proprietary satellite system (C-Band), shore cellular network (3G, 4G/LTE), and/or Inmarsat FleetBroadband (L-Band). In addition to the cluster, there is a wide array of data acquisition computers hooked up to a modular display array. All live processed data from the ship's standard set of acquisition systems is displayed on the array, and provide live feedback of the ship's underway data. There are repeating displays in the main lab, and hydro lab that shows MET and navigation data. The various Windows, Linux, and Mac acquisition machines perform data acquisition, archiving and processing functions on many of the permanently installed data collection systems. All data is centralized in the cluster.

… excerpt ends here. Continue reading the full article.

Illustrations

Worked examples

Example 1 — a first encounter with RV Roger Revelle

Start with the simplest possible case. Write down what RV Roger Revelle claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In earth science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to RV Roger Revelle before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about RV Roger Revelle ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of RV Roger Revelle

In research: RV Roger Revelle appears in earth science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses RV Roger Revelle in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: RV Roger Revelle is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1995 ships, IMO numbers, Scripps Institution of Oceanography, so understanding it makes those chapters shorter.
In everyday life: Look for RV Roger Revelle outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study RV Roger Revelle in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what RV Roger Revelle means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain RV Roger Revelle out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is RV Roger Revelle in simple terms?

Why does RV Roger Revelle matter?

Because it connects several earth science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study RV Roger Revelle?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on RV Roger Revelle.