Data contains two versions of a Long Island Sound Data Set collected between August 9-14, 1971. Data was originally collected by SUNY at Stony Brook and automated by SCI, Inc. This data was obtained from SCI. 53 stations were sampled for chlorophyll, oxygen, nitrate, nitrite, phosphate, ammonia, and urea. Additionally, physical parameters such as temperature, salinity, density, transmissivity, and current velocity were included. The report prepared by C.D. Hardy, 1972 entitled "MOVEMENT AND QUALITY OF LONG ISLAND SOUND WATERS 1971", Marine Sciences Research Center, SUNY at Stony Brook, Technical Report #17 provides documentation regarding the data format.

Benthic species, marine sediments, and temperature profile data were collected using bottle in the Long Island Sound from 01 January 1972 to 31 December 1975. Data were collected and submitted by Sue Craig of National Marine Fisheries Service.

This dataset consists of nutrient data from Long Island Sound provided by Mr. Robert N. Reid from NOAA/NMFS Sandy Hook Laboratory. The data were collected from July 1972 to September 1973 as part of the Environmental Baselines in Long Island Sound project. These are copies of original log sheets which were obtained from Reid and key entered. There are no nutrient values collected for cruise 3 and the day portion of the date is missing for cruise 3. Parameters include: temperature, salinity, dissolved oxygen, nitrite, nitrate, ammonium, urea and orthophosphorus. The data is published in: Reid, R.N., A.B. Frame and A.F. Draxler (1979) Environmental Baselines in Long Island Sound, 1972-73. National Marine Fisheries Service, NOAA technical report NMFS-SSRF 738.

This dataset contains two files of salinity/temperature/oxygen data from Long Island Sound data submitted by J.C. Ayers from Cornell University and Davids Island data submitted from NOAA NMFS Sandy Hook Laboratory. There are two reference numbers which refer to each file: L00942 = Ayers data set, January to September 1952. L00943 = Davids Island, April to June 1971 - part of the Davids Island ecological survey of western Long Island Sound. The data have been formatted in F004 format and includes the following parameters: temperature, salinity and oxygen.

This CD-ROM (Compact Disk - Read Only Memory) contains sidescan sonar, high-resolution seismic-reflection, bathymetric, textural, and bibliographic data and interpretations collected, compiled, and produced through the U.S. Geological Survey/State of Connecticut Cooperative and the Long Island Sound Environmental Studies Project of the Coastal and Marine Geology Program, U.S. Geological Survey during October 1991 to August 1998. Cooperative research with the State of Connecticut was initiated in 1982. During the initial phase of this cooperative program, geologic framework studies in Long Island Sound were completed. The second and current phase of the program, which is the focus of this CD-ROM, emphasizes studies of sediment distribution, processes that control sediment distribution, near-shore environmental concerns, and the relationship of benthic communities to sea-floor geology. The study area covers all of Long Island Sound, which is bordered on the north by the rocky shoreline of Connecticut, on the east by Block Island Sound, on the south by the eroding sandy bluffs of Long Island, and on the west by the East River and the New York metropolitan area. Sidescan sonar data were variously collected with 100 kHz Klein, Datasonics, and Edgetech systems under two survey schemes. In the first scheme, the data were collected along closely-spaced grids where the ship tracks were spaced 150 m apart and the sonar system was set to sweep 100 m to either side of the ship's track. This scheme produced the continuous-coverage acoustic images that are stored on the CD-ROM as TIF files. In the second scheme, the sidescan sonar data collected along reconnaissance lines spaced about 2,400 m apart. Only selected portions of this data, when used for geologic interpretation, are stored on this CD-ROM. Under both survey schemes, the sidescan sonar data were processed according to procedures summarized by Danforth and others (1991) and Paskevich (1992a, 1992b, 1992c). The seismic reflection data were variously collected with an Ocean Research Equipment 3.5-kHz profiler transmitting at a 0.25-s repetition rate and a Datasonics CHIRP system set to sweep between 2-7 kHz. Only selected seismic-reflection data, which are used as examples in geologic interpretations, are stored as GIF-formatted images on this CD-ROM. Navigation during this project was determined with a differential Global Positioning System (GPS); position data were logged at 10-second intervals. The bathymetric data were collected by means of a 200-kHz echo sounder and logged digitally. Surficial sediment (0-2 cm below the sediment-water interface) sampling completed as part of this project was conducted using a Van Veen grab sampler equipped with an Osprey video and still camera system. The photographic system was used to appraise bottom variability around stations, faunal communities, and sedimentary processes. It also documented bedrock outcrops and boulder fields where samples could not be collected. The fine fraction (less than 62 microns) was analyzed by Coulter Counter (Shideler, 1976); the coarse fraction was analyzed by sieving (gravel) and by rapid sediment analyzer (sand; Schlee, 1966). The data were corrected for the salt content of interstitial water. Size classifications are based on the method proposed by Wentworth (1929) and were calculated using the inclusive graphics statistical method (Folk, 1974), using the nomenclature proposed by Shepard (1954). A detailed discussion of the sedimentological methods employed are given in Poppe and others (1985); a detailed description of the methods used to perform the CHN analyses are given in Poppe and others (1996). The database presented here contains over 14,000 records and 83 fields (see the Data Dictionary below). The specific fields and parameters have been chosen based on the data produced by the sedimentation laboratory of the Coastal and Marine Geology Program of the U.S. Geological Survey in Woods Hole, Mass., and

Chemical and physical oceanographic data on punch cards.

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Current meter data and some temperature and salinity data were collected as part of the Howe Sound Current Metering Program Data during November 16, 1971 - February 1, 1974 by the Department of the Environment, Marine Science Branch, Victoria, B.C. Data reports provide histograms summarizing current speed and direction, temperature ranges and salinity ranges but do not include observed data values. Reports are in analog format only as Volumes I, II and III (Part 1 and Part 2). Reports are housed in the NOAA Central Library stacks with call number GC 1 .C4 no. 75-7 v.1, GC 1 .C4 no. 75-7 v.2, GC 1 .C4 no. 75-7 v.3, GC 1 .C4 no. 75-7 v.4.