Kevin J. Cunningham David S. Abbott 2017 text files Reston, VA U.S. Geological Survey https://doi.org/10.5066/F72R3PVF Kevin J. Cunningham Jared Wesley Kluesner Richard Westcott Edward Robinson Cameron Walker Shakira Kahn 2017 Publication Scientific Investigations Report 2017-5109 Davie, Florida USGS Cunningham, K.J., Kluesner, J.W., Westcott, R.L., Robinson, Edward, Walker, Cameron, and Khan, S.A., 2017, Sequence stratigraphy, seismic stratigraphy, and seismic structures of the lower intermediate confining unit and most of the Floridan aquifer system, Broward County, Florida: U.S. Geological Survey Scientific Investigations Report 2017-5109, 71 p., https://doi.org/10.3133/sir20175109. https://doi.org/10.3133/sir20175109 The data set consists of time, depth, reflection coefficient synthetic, sonic velocity, density, and amplitude used to create synthetic seismogram - U.S. Geological Survey, G-2984, Broward County, Florida. Fourteen synthetic seismograms were generated to relate geologic and geophysical well data to the respective seismic-reflection data. 20110524 20130612 observed Complete None planned -80.43 -80.1 26.35 25.92 ISO 19115 Topic Category geoscientificInformation oceans USGS Thesaurus marine geophysics seismic reflection methods sea-floor characteristics data preservation None seismology seismic synthetic seismology USGS Metadata Identifier USGS:588f8e03e4b072a7ac08c367 None United States USA Broward County Miami-Dade County None. Please see 'Distribution Info' for details. The U.S. Geological Survey should be acknowledged as the data source in products derived from these data. Users are advised to read the data set's metadata thoroughly to understand appropriate use and data limitations. Kevin J. Cunningham U.S. Geological Survey mailing and physical

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Davie FL 33314 USA 954-377-5913 kcunning@usgs.gov Prepared in cooperation with the Broward County Environmental Protection and Growth Management Department - Environmental Planning and Community Resilience Division and Walker Marine Geophysical Company ASCII text, comma separated values (csv) No formal attribute accuracy tests were conducted. No formal logical accuracy tests were conducted. Data set is considered complete for the information presented, as described in the abstract. Users are advised to read the rest of the metadata record carefully for additional details. A formal accuracy assessment of the horizontal positional information in the data set has either not been conducted, or is not applicable. A formal accuracy assessment of the vertical positional information in the data set has either not been conducted, or is not applicable. A synthetic seismogram is a one-dimensional model of acoustic energy traveling through the layers of the Earth and expressed visually as a ‘wiggle-trace’. Synthetic seismograms provide a means to calibrate seismic-reflection profiles to specific subsurface stratigraphic events observed in one-dimensional core and geophysical log data acquired from wells. Independently, Walker Marine Geophysical Company (10 wells) and Geokinetics Incorporated (4 wells) used velocity data only from 14 borehole-compensated sonic logs, and in one case both a velocity and density log were used to calculate an acoustic impedance, as input for specialized geophysical software to generate 14 synthetic seismograms. These synthetic seismograms allow idealized reflections generated from borehole data to be directly compared with reflections from the seismic data. The log data were converted to a synthetic seismic trace using synthetic-seismogram production software. For the 13 wells, where only velocity logs were used due to lack of density logs, the synthetic seismogram modeling was run without density. This method is valid when the time relationship between horizons is accurate, since the time is related only to velocity, but reflector amplitude is not perfectly accurate (Ewing, T.E., 1997). There is an imperfection in amplitude, where only velocity data is used, because amplitude is based on impedance (velocity multiplied by density). The modeled or synthetic wiggle traces produced by the Walker Marine Geophysical Company were generated using an Ormsby wavelet with a frequency band of 5-250 Hertz (Hz) and a taper between frequencies of 5-15 Hz and 200-250 Hz. Synthetic wiggle traces produced by Geokinectics used an Ormsby wavelet with a frequency band of either 0-250 Hz or 0-260 Hz and a taper between frequencies of 0-3 and 200-250 Hz or 0-60 and 140-260 Hz, respectively. For 8 wells, the synthetic seismograms were used to relate geologic and geophysical well data directly to the respective seismic-reflection data. The other 6 wells and accompanying synthetic seismograms were too far from the seismic lines to allow for correlation, but improved understanding of the seismic response of the lithologic/seismic boundaries and velocities, and were used to generate time-depth functions that allowed for constraining the 3D horizons between canals. Stratigraphic and hydrogeologic interfaces selected on borehole gamma ray and sonic velocity data and in some cases resistivity data were correlated to the synthetic-seismogram wavelets and then finally these synthetic wavelets fit to the true wavelet traces on seismic-reflection profiles. Caliper logs were used to assist in evaluating where on the synthetic seismogram wavelet traces there may be errors in the sonic velocity logs and thus a mistie between the synthetic wavelets and seismic-profile wavelets. Selected stratigraphic and hydrogeologic interfaces were identified on the basis of comparisons to published geologic and hydrogeologic frameworks (Reese and Richardson, 2008; Reese and Cunningham, 2013, 2014). The direct correlation of key traces on the synthetic seismograms to seismic-reflection profiles was not a perfect fit; however, some disparity is common between synthetic seismograms and seismic-reflection profiles (Bruns and others, 1994; Ewing, 1997) and in many cases is a result of imperfect modeling of synthetic seismograms. Ewing, T.E., 1997, Real Answers for Synthetic Issues: Geophysical Corner, p. 5. Reese, R.S., and Richardson, E., 2008, Synthesis of the hydrogeologic framework of the Floridan aquifer system and delineation of a major Avon Park permeable zone in central and southern Florida: U.S. Geological Survey Scientific Investigations Report 2007-5207, 60 p., 4 pls., (appendices on CD). Reese, R.S., and Cunningham, K.J., 2013, Preliminary stratigraphic and hydrogeologic cross sections and seismic profile of the Floridan aquifer system of Broward County, Florida: U.S. Geological Survey Open-File Report 2013-1141, 10 p., http://pubs.usgs.gov/of/2013/1141. Reese, R.S., and Cunningham, K.J., 2014, Hydrogeologic framework and salinity distribution of the Floridan aquifer system of Broward County, Florida: U.S. Geological Survey Scientific Investigations Report 2014-5029, 60 p. Bruns, T.R., Geist, E.L., and Lavoie, D.L., 1994, Chapter 21 – Synthetic seismograms, migrated seismic reflection profiles, and lithologic correlations for Leg 135 sites in the Lau Basin and Tonga Arc, in Hawkins, J.W., Parson, L.M., Allan, J.F., and others, eds., Proceedings of the Ocean Drilling Program, Scientific Results, Lau Basin; covering Leg 135 of the cruises of the drilling vessel JOIDES Resolution, Suva Harbor, Fiji, to Honolulu, Hawaii, sites 834-841, 17 December 1990-28 February 1991: Texas A and M University, Ocean Drilling Program, College Station, Texas, v. 135, p. 331-365. 2013 SITE = G-2984, Lat= 26.33, Long= -80.13 G-2984.csv CSV format USGS Time Two way travel time USGS 0.028 0.291 seconds Depth depth in feet USGS 98 946.2 feet below land surface RC Reflection coefficient USGS -0.31746 0.23124 NA Vel sonic velocity USGS 4677 15964 thousands of feet per second Amplitude amplitude USGS -0.30705 0.23778 NA The entity and attribute information provided here describes the tabular data associated with the data set. Please review the detailed descriptions that are provided (the individual attribute descriptions) for information on the values that appear as fields/table entries of the data set. The data files corresponding to Plate 1 from the larger work citation are data files: G-2938.csv, PLT-I1.csv, SUN-I3.csv, G-2968.csv, G-2971.csv, G-2981.csv, G-2984.csv, G-2973.csv, G-2961.csv, G-2945.csv. The files corresponding with Plate 2 are: FTL-I5_2_260.csv, FTL-I5_2_260_Den.csv, FTL-I5_extract.csv, FTL-I5_extract_Den.csv, G2946rev_0_250_agc.csv, G2946rev_0_250_agc_180.csv, G2946rev_0_250_agc_270.csv, G2946rev_0_250_agc_90.csv, G2946rev_0_250_agc_reverse.csv, G2946rev_0_250_agc_zero_phase.csv, G2946rev_agc.las, G2966rev_0_250_agc.csv, G2966rev_0_250_agc_180.csv, G2966rev_0_250_agc_270.csv, G2966rev_0_250_agc_90.csv, G2966rev_0_250_agc_reverse.csv, G2966rev_0_250_agc_zero_phase.csv, G2966rev_agc.las, G-3805_0_250_agc.csv, G-3805_0_250_agc_180.csv, G-3805_0_250_agc_270.csv, G-3805_0_250_agc_90.csv, G-3805_0_250_agc_reverse.csv, G-3805_0_250_agc_zero_phase.csv, G-3805_agc.las The entity and attribute information was generated by the individual and/or agency identified as the originator of the data set. Please review the rest of the metadata record for additional details and information. U.S. Geological Survey - ScienceBase Mailing and Physical

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Denver CO 80225 USA 1-888-275-8747 sciencebase@usgs.gov Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Although this information product, for the most part, is in the public domain, it also contains copyrighted materials as noted in the text. Permission to reproduce copyrighted items must be secured from the copyright owner whenever applicable. The data have been approved for release and publication by the U.S. Geological Survey (USGS). Although the data have been subjected to rigorous review and are substantially complete, the USGS reserves the right to revise the data pursuant to further analysis and review. Furthermore, the data are released on the condition that neither the USGS nor the U.S. Government may be held liable for any damages resulting from authorized or unauthorized use. Although the data have been processed successfully on a computer system at the U.S. Geological Survey, no warranty expressed or implied is made regarding the display or utility of the data on any other system, or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. The U.S. Geological Survey shall not be held liable for improper or incorrect use of the data described and/or contained herein. Users of the data are advised to read all metadata and associated documentation thoroughly to understand appropriate use and data limitations. Comma Separated Values (CSV) File format https://doi.org/10.5066/F72R3PVF None. No fees are applicable for obtaining the data set. 20200812 U. S. Geological Survey Joann F. Dixon mailing and physical

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Orlando FL 32826 USA 407-803-5533 jdixon@usgs.gov Content Standard for Digital Geospatial Metadata FGDC-STD-001-1998