cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.6075/j0s46q6m
title: DODO08AR Dodo Expedition Leg 08 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Heat flow studies from mauritius to colombo
DOI: 10.6075/j04b2zt7
title: PLDS03MV Pleiades Expedition Leg 03 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: To study sediment dynamics and heat flow in the region of 0 to 4N, 100 to 130W.
DOI: 10.6075/j03t9fjm
title: WEST03MV Westward Expedition Leg 03 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: The cruise is a follow-up to a previous cruise, structure and geomorphology of the eltanin transform system, and will use the bathymetry collected from the previous cruise to choose locations for dredging. rock samples will be analyzed to determine the chemical composition and origin of the crustal rocks.
DOI: 10.6075/j0zp44c4
title: DRFT09RR Drift Cruise Expedition Leg 09 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Measurements of the wave breaking and bubbly flow field around surface ships and their wakes
DOI: 10.6075/j0xp735v
title: DRIL01WT Drill Expedition Leg 01 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Rock drill tests
DOI: 10.6075/j0f18x01
title: INMD08MV Indomed Expedition Leg 08 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Geological-geophysical exploration of the seismically active southwest indian ridge and of the crustal structure of the intermediate depth, seismically inactive madagascar ridge.
DOI: 10.6075/j0bc3wt0
title: PLUM05WT Plume Expedition Leg 05 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: This research is designed to test several hypotheses concerning the dynamic processes responsible for creating the spatial and temporal variations in ridge geometry on the slow-intermediate spreading rate ridge system in the south atlantic from 31-36s. the basic thrust of the experiments is to explore the nature of mantle convection in the vicinity of a spreading center and its role in modifying su rface geometry and morphology of the ridge-transform system.
DOI: 10.6075/j0dn439h
title: ALAR02RR Alarcon Expedition Leg 02 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Multidisciplinary study focusing on alarcon seamount, including rock dredging, heat flow measurements, sediment coring and seismic profiling, based on the multibeam bathymetric maps of the previous leg, alar01rr. collaboration includes scientists and students from sio, ucsc, lawrence-livermore (llnl) and cicese. manganese-crusted partially dissolved
DOI: 10.6075/j0n58jms
title: ANTP07MV Antipode Expedition Leg 07 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Bottom topography
DOI: 10.6075/j0vd6wsp
title: VANC17MV Vancouver Expedition Leg 17 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Transit leg from cairns to brisbane, australia
DOI: 10.6075/j0z60m87
title: CNTL02RR Centennial Expedition Leg 02 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Student training cruise
DOI: 10.15468/dl.bpvt3p
title: Occurrence Download

description: A dataset containing 3776 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Continent is Europe",
 "OccurrenceStatus is Present",
 "TaxonKey is Pholiota carbonaria"
 ]
}

 The dataset includes 3776 records from 180 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0013873-251025141854904/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.6075/j0sb441n
title: ZHNG03RR Zheng He Expedition Leg 03 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: The primary objective of this cruise is giant piston coring.
DOI: 10.6075/j0nv9ggf
title: HILO03ST Hilo Expedition Leg 03 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Measuring magnetic intensity of earths magnetic filed
DOI: 10.6075/j06m354h
title: PLUM07WT Plume Expedition Leg 07 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: The major objective is to collect sediments for paleoclimatic studies in the cariaco basin.
DOI: 10.6075/j0222s2x
title: VANC32MV Vancouver Expedition Leg 32 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Integrated carbon cycle research program
DOI: 10.6075/j06971w4
title: RNDB07WT Roundabout Expedition Leg 07 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Ecosystem studies of north bering and chukchi seas
DOI: 10.6075/j0sj1hxs
title: VLCN02MV Vulcan Expedition Leg 02 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: To sample prominent fault scarp exposures of oceanic crust near 26-30n on the seaward wall of the chile trench. using acoustically navigated dredging.
DOI: 10.6075/j0ht2mjr
title: CRGN01WT Crossgrain Expedition Leg 01 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: The cruise will study a typical part of the system of narrow, linear gravity highs and lows in the northest pacific on seasat gravity maps. these features are here termed the crossgrain pattern. the study aims at establishing the location, dimensions and continuity of the crossgrain features, and the relation of the gravity highs and lows to basement topography.
DOI: 10.6075/j0bk19mk
title: GLOR09MV Gloria Expedition Leg 09 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Research will focus on the extinct spreading center of the mathematicians ridge, which was driven to extinction as the modern day epr propogated north.
DOI: 10.15468/dl.ej4bn9
title: Occurrence Download

description: A dataset containing 75814 species occurrences available in GBIF matching the query:
{
 "and" : [
 "BasisOfRecord is Human Observation",
 "Continent is North America",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "TaxonKey is Danaus plexippus",
 "Year 2023-2024"
 ]
}

 The dataset includes 75814 records from 8 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0013842-251025141854904/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.6075/j0s46q72
title: RSCN01MV Rose Canyon Expedition Leg 01 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Marine geological investigation of rose canyon, offshore la jolla, california, collecting multibeam, data sonics sidescan and gravity in a 4-day cruise with student participation.
DOI: 10.6075/j0s75dnc
title: RAPA00WT Rapa Expedition Leg 0 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Test trip operations, on the transit to the working area stops were made to test the anchor windlass (1 hourr) and the starboard hydro winch (1/2 hour), underway, the magnetometer was deployed and the xbt system checked out as were several seismic streamers and a new watergun sound source.
DOI: 10.6075/j0668bfc
title: DRFT15RR Drift Cruise Expedition Leg 15 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Hawaii ocean mixing experiment
DOI: 10.6075/j0f47mdb
title: PPTU04WT Papatua Expedition Leg 04 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: The primary objective of this cruise is to derive a geological model of the process by which seafloor spreading occurs in a back-arc basin, and to test the hypothesis that the opening of the basin has been controlled in part by the mechanism of rift propagation with the direction of propagation running from north to south.
DOI: 10.6075/j0bk19k4
title: BMRG09MV Boomerang Expedition Leg 09 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Transit cruise from american samoa to san diego, including multibeam survey of hudson trough
DOI: 10.6075/j0bz64bm
title: SEAB0BWT Seabeam Expedition Test B - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: To dsdp site 469 at 32deg 37min n/ 120deg32min90 w, to perform seabeam tests, to survey san juan seamount emphasis on southern tip of the seamount with slopes as steep as anywhere in the vicinity and complex topography of volcanic origin, to observe the summit topography of the seamount with possible identification fo caldera, and finally survey of patton escarpment.
DOI: 10.6075/j0wq023x
title: SOTW03WT Southtow Expedition Leg 03 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Proposed to examine the precession of species, with the emphasis on fishes, with depth across the peru-chile trench from near shore to the abyssal plain along a number of transects between about 37 deg and 11 deg south latitudes.
DOI: 10.15468/dl.7sh8p6
title: Occurrence Download

description: A dataset containing 54 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Christmas Island",
 "Year is 2010",
 "InstitutionCode is iNaturalist"
 ]
}

 The dataset includes 54 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0013874-251025141854904/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.6075/j0td9vn9
title: PPTU01WT Papatua Expedition Leg 01 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: This cruise is an attempt to understand the processes active in the ogorman, and in particular, to understand the formation of seamounts in this region.
DOI: 10.6075/j0rj4grz
title: INDP06WT Indopac Expedition Leg 06 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: To investigate a series of valleys off the abra delta of western luzon which are quite comparable to the valleys on the slope off the magdalena delta of colombia and the rio balsas delta of western mexico.
DOI: 10.6075/j0k935ts
title: GAM101EB Gam Expedition 1 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Magnetics and bathymetry of the east pacific rise crest
DOI: 10.6075/j0rv0m0b
title: TRIP02AR Tripod Expedition Leg 02 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Magnetic and gravimetric survey between galapagos and ecuador, piston coring.
DOI: 10.6075/j01r6nss
title: RAMA14WT Rama Expedition Leg 14 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Planned to investigate the abyssal current structure at the northerm boundary of the north pacific. two north-south ctd sections are planned, one along 175w in conjunction with the mooring deployments and another at 165w to examine the longitudinal variations of the currents.
DOI: 10.6075/j08p5xrr
title: AVON09MV Avon Expedition Leg 09 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Holocene seismic events will be studied by using coring and bathymetry to map and sample turbidite flows in the north pacific.
DOI: 10.6075/j0fb516x
title: HELI01MV Helios Expedition Leg 01 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Studies of the two large mid-depth westward-flowing jets in the abyssal pacific which are characterized by strong maxima in helium concentration.
DOI: 10.6075/j08s4n6x
title: NOVA1AHO Nova Expedition Leg 01A - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: To explore the southwest pacific ocean and to investigate the drift of continents and the expansion of the seafloor in melanesia which seems to be part continent and part ocean basin.
DOI: 10.6075/j0v40sgc
title: KIWI08RR Kiwi Expedition Leg 08 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: The u.s. jgofs (joint global ocean flux study): antarctic environment and southern ocean process study (aesops) program involves a series of 4 research cruises aboard the r/v roger revelle studying topics related to biogeochemical cycles, with a focus on the role of the southern ocean in the global carbon cycle. the principal geographic area of jgofs/aesops research to be conducted aboard the roger revelle lies along the north-south transect at 170o west, from 57o s to 63o s, well outside of the new zealand eez.
DOI: 10.6075/j0w37tkr
title: JPYN04BD Japanyon Expedition Leg 04 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Geological and water sampling between tokyo and honolulu
DOI: 10.6075/j0js9nrg
title: WEST15MV Westward Expedition Leg 15 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Off north pacific coast- deep tow and seabeam
DOI: 10.6075/j0w957ds
title: CERE04WT Ceres Expedition Leg 04 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: The cocos-nazca spreading center shows a transform offset which indicates that this is a propagating rift situation in which the northern portion is growing toward the west while the southern portion is dying.
DOI: 10.6075/j03x84w1
title: HNRO17RR Hahnaro Expedition Leg 17 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Transit, nsf sponsered hydrographic and ctd transect
DOI: 10.6075/j0nk3c8g
title: INMD15MV Indomed Expedition Leg 15 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: An xbt survey carried out between 45 and 35 degrees south along the cruise track of about 92 degrees.
DOI: 10.6075/j0tm78c0
title: GUAY01WT Guaymas Expedition Leg 01 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Survey of proposed ipod drilling sites in the gulf of california
DOI: 10.6075/j05h7djz
title: RAMA13WT Rama Expedition Leg 13 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Continuation of work that begun under the exploratory array in the western north pacific project during rama04 in july 1980.during this leg, each of the moorings is to be recovered, its instruments replaced and then the moorings redeployed at the same locations.
DOI: 10.6075/j08c9ths
title: COOK01MV Cook Expedition Leg 01 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Chemical oceanography sampling of fe and zn will determine the cycle of phytoplankton in the ecuadorian upwelling zone
DOI: 10.6075/j0pc30pj
title: RNDB11WT Roundabout Expedition Leg 11 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Seismic and sea beam stratigraphy of the ontong-java plateau
DOI: 10.6075/j01n7zcg
title: DNWH0DHO Downwind Expedition Leg D - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Geology with an emphasis on coring
DOI: 10.6075/j0dr2ssb
title: SOJN08MV Sojourn Expedition Leg 08 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Underway transit cruise from melbourne to papeete, collecting multibeam, magnetics and gravity.
DOI: 10.6075/j0542ktx
title: AMPH01AR Amphitrite Expedition Leg 01 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Geophysical survey off tahiti
DOI: 10.6075/j0hh6hn8
title: FDRK04MV Francis Drake Expedition Leg 04 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Bottom survey
DOI: 10.6075/j0z60m9p
title: HYDR08MV Hydros Expedition Leg 08 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Deploy obs and deep tow
DOI: 10.6075/j0vm49jt
title: GLOR05MV Gloria Expedition Leg 05 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Marine geophysical investigation of the fastest spreading segment of the global seafloor spreading system, between the easter and juan fernandez microplates, using gloria, sea beam 2000, magnetics and gravity.
DOI: 10.6075/j0w66j1x
title: COOK04MV Cook Expedition Leg 04 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Geophysical and bathymetric surveying of the crust of the tongareva triple junction will be used to determine the development of the triple junction in the mid-cretaceous.
DOI: 10.6075/j0g73bz1
title: HYDR04MV Hydros Expedition Leg 04 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: South atlantic ventilation experiment (save). to investigate the rates of ocean circulation, mixing, ventilation, inter-ocean exchange, and carbon, oxygen, and nutrient cycling on an ocean-basin scale.
DOI: 10.6075/j0td9vmv
title: HYDR09MV Hydros Expedition Leg 09 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Borehole re-entry and equipment deployment
DOI: 10.6075/j0707zpt
title: FD7703MV Francis Drake 77 Expedition Leg 03 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Cdr tracing
DOI: 10.6075/j0n014t4
title: VANC11MV Vancouver Expedition Leg 11 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Ctd/rosette work
DOI: 10.6075/j0r49p1s
title: DRFT03RR Drift Cruise Expedition Leg 03 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Emplacing multi-year subseafloor hydrogeological experiments in two holes drilled by dsdp (the famous 504b) and odp (896a) on the southern flank of the costa rica rift. the aim is to refine our understanding of sediment-buried basement topography in controlling subseafloor hydrothermal circulation.
DOI: 10.6075/j0h70d2c
title: HNRO14RR Hahnaro Expedition Leg 14 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Upper air sampling, optical casts
DOI: 10.6075/j0gf0rsp
title: NEMO03MV New Millenium Of Oceanography Expedition Leg 03 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Seismic surveying of proposed ocean drilling sties: seabeam mapping, and sediment coring using large diameter piston corer and multicorer.
DOI: 10.6075/j0tb1551
title: INMD05MV Indomed Expedition Leg 05 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Geochemical ocean sections study: to collect and measure various physical, chemical, and isotopic tracers in order to compile a global suite of coherent, standardized data.
DOI: 10.6075/j0w66j2c
title: PROT04MV Protea Expedition Leg 04 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Natural history patterns of organisms in the southern ocean. (ameriez)
DOI: 10.6075/j037771s
title: STOM01MV Seatomado Expedition Leg 01 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Sea tomography and dredging operations
DOI: 10.6075/j0c827jf
title: INDP09WT Indopac Expedition Leg 09 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Most of the work will be carried out near and in the challenger deep of the marianas trench. the over-all goal is to contribute to the biology of the deep sea by providing estimates of the rates of some processes through the study of amphipods and their assosciated microbes.
DOI: 10.6075/j0s75dmx
title: LPRS04RR Laperouse Expedition Leg 04 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Transit from newport to honolulu
DOI: 10.6075/j0m61hjv
title: NEMO02MV New Millenium Of Oceanography Expedition Leg 02 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: To conduct dsl-120 sonar, towed camera sled surveys, dredging and ctd of epr crest at 4-5 sites which have reupted based on aha data
DOI: 10.6075/j03j3b8r
title: RISP03BD Risepac Expedition Leg 03 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Heat flow studies and coring between papeete, tahiti and san diego.
DOI: 10.6075/j0n58jn7
title: ERDC03WT Eurydice Expedition Leg 03 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Studies of the petrologic, bathymetric, and geophysical properties of the oceanic crust in the region of the new hebrides-samoa lineament.
DOI: 10.5281/zenodo.17517517
title: Data related to "Anthropogenically stimulated carbonate dissolution in the global shelf seafloor is potentially an important and fast climate feedback" in AGU advances
DOI: 10.5281/zenodo.17517518
title: Data related to "Anthropogenically stimulated carbonate dissolution in the global shelf seafloor is potentially an important and fast climate feedback" in AGU advances
DOI: 10.6075/j07w69fd
title: APRO01EB Aphrodite Expedition Leg 01 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Collection of magnetic and topographic data
DOI: 10.6075/j09p2zxk
title: NOVA05AR Nova Expedition Leg 05 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: To explore the southwest pacific ocean and to investigate the drift of continents and the expansion of the seafloor in melanesia which seems to be part continent and part ocean basin.
DOI: 10.6075/j01c1v3m
title: AMPH02AR Amphitrite Expedition Leg 02 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Geophysical survey from tahiti to pago pago
DOI: 10.6075/j0cr5rxj
title: FDRK05MV Francis Drake Expedition Leg 05 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Retrieve and redeploy ocean bottom seismometers and survey Rivera Fracture Zone.
DOI: 10.6075/j0p26wc9
title: ACLV01RR Acoustic Level Test Expedition - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Testing seabeam instrument
DOI: 10.6075/j09022b9
title: TANR01RR Tanner Bank Expedition Leg 01 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: TANNER BANKS Expedition (TANR)
DOI: 10.6075/j0gx48s7
title: COOK08MV Cook Expedition Leg 08 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: East china sea, asiaex-underwater acoustic reverberation experiment
DOI: 10.6075/j0j964nz
title: GECS0GMV Geosecs Expedition Leg G - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Geochemical ocean sections (geosecs). chemical analysis of large sea water samples.
DOI: 10.6075/j0k935sb
title: 7TOW06WT Seven Tow Expedition Leg 06 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Seismic study off Hawaii
DOI: 10.18126/tykw-5q20
title: Advancing the Self-Assembly of Binary Colloidal Crystals of Tetrahedra and Octahedra with Confinement
DOI: 10.6075/j0pr7t9v
title: VANC27MV Vancouver Expedition Leg 27 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Area of study is fly river/gulf of papua shelf; dispersion, cycling, and burial of organic carbon in a river-dominated ocean margin
DOI: 10.6075/j0h1309m
title: WEST00MV Westward Expedition Leg 0 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Seabeam, 3.5 seismic, and gravity instrument test cruise, off san diego
DOI: 10.6075/j0w957f7
title: INDP05WT Indopac Expedition Leg 05 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: This is a two ship operation in cooperation with the r/v chiu lien of the institute of oceanography, national taiwan university. the work is primarily seismic refraction and very low frequency acoustic observations. plus essential gravity, magnetic, and multi-channel reflection work, heat flow and piston coring.
DOI: 10.6075/j0sn076q
title: HILO03SM Hilo Expedition Leg 03 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Marine geophysics from hilo to san diego
DOI: 10.6075/j0k35rxv
title: PASC02WT Pascua Expedition Leg 02 - Cruise Report. In Data from Scripps Research Expeditions 1953-2005

description: Seabeam and magnetic surveys along the east pacific rise at garret transform fault.