SDAG monthly meeting
October 21 |
Location:
Sufi Mediterranean Cuisine
5915 Balboa Ave
San Diego, CA 92111
Directions:
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6:00pm -
Social hour
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SDAG Monthly Meeting
6:00pm - Social Hour
7:00 - Dinner
8:00pm - Program
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7:00pm
Dinner
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Menu: Mediterranean Buffet with Vegetarian options
if pre-registered by the deadline, $5 extra if you did not make a reservation.
Click the SDAG member checkbox on the reservation form if you are a member.
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Cost: $ 55.00 Member; Non-Member $ 65.00; Student $ 25.00
Reservations:
Make/Pay your reservation online by clicking the button below
by 6:00pm Wednesday, October 21
RESERVATIONS CANNOT BE ACCEPTED AFTER by 6pm Wednesday, October 14
(Please note beginning January 2024 all meeting reservations will require on-line pre-payment due to venue costs,
venue contracts, and loss of money due to no shows.)
IF YOU DO NOT PRE-PAY YOUR FOOD RESERVATION, WE CANNOT GUARANTEE YOU A MEAL.
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8:00pm - Program
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"LESSONS LEARNED AND REPORTS FROM THE SAN DIEGO HYDROGEOLOGY PROJECT"
Speakers: Wes Daskin & Geoff Cromwell, United States Geological Survey (USGS)
What is new with the San Diego Hydrology project? Tonight, we will give you an update on
recent reports (data, gravity, hydraulics, geochemistry), and list a few lessons learned from our
25-year-long synthesis of the geology and hydrology of the greater San Diego-Tijuana area.
Other highlights include initial planning for a second groundwater desalination facility based
on our work in the coastal Otay River area. And, yes, we will allocate lots of time to answer
your questions about how you can use our millions of data and many findings.
Background: In 2001, the USGS began the San Diego Hydrogeology project, which is
composed of several interrelated studies, to map and to better understand the geology and
water resources of the greater San Diego-Tijuana area. The overall USGS San Diego
Hydrogeology project is complex and includes installation of 80 wells at 16 multiple-depth,
monitoring-well sites to depths of as much as 2,658 feet; collection of more than 31 million
water-level measurements; collection and analysis of about 1,200 water samples to define the
quality of surface water and groundwater; mapping surficial and subsurface geology;
measurement of hydraulic properties of sediment and rock; development of a three-
dimensional geologic framework model that maps the location and thickness of geologic
formations throughout the coastal aquifer; and development and calibration of a regional
hydrologic model that simulates surface-water and groundwater flow throughout the entire
study area, from the end of the last glacial maximum 20,000 years ago to present. For more
information, refer to the project website
(https://ca.water.usgs.gov/sandiego).
Wes Danskin - United States Geological Survey (USGS)
Wes Danskin is a retired senior Research Hydrologist for the
United States Geological Survey, who lived and worked mostly in
southern California.
Mr. Danskin obtained a Bachelor of Arts in geology from Carleton
College and a Master of Science in applied hydrogeology from
Stanford University.
For 45 years, Mr. Danskin applied and taught water-management
techniques throughout the United States, and in several foreign
countries.
For 25 years, Mr. Danskin led the USGS San Diego Hydrogeology
project, which is providing the foundational geologic and
hydrologic information in the San Diego-Tijuana area
[http://ca.water.usgs.gov/sandiego]. Results of this study are
being used to develop additional local water supplies, in
particular brackish groundwater that is being desalinated and
distributed for municipal use.
Mr. Danskin's publications include both short journal articles on
new research findings and lengthy archival-quality
comprehensive hydrogeologic reports.
More information about Mr. Danskin can be found at
http://ca.water.usgs.gov/bios/wdanskin.html;
his project webpages include: http://ca.water.usgs.gov/sandiego
http://ca.water.usgs.gov/sanbern;
http://ca.water.usgs.gov/owens;
http://ca.water.usgs.gov/temecula
Geoff Cromwell - Research Geologist - U.S. Geological Survey (USGS)
California Water Science Center.
He earned his PhD in 2014 in Earth Sciences from Scripps Institution of
Oceanography at the University of California San Diego. He
joined the USGS full-time in 2015 after a brief career as an
Adjunct Professor at Occidental College (Los Angeles, CA).
Geoff's field of expertise is 3D hydrogeologic characterization of
aquifer systems. He integrates geologic, hydrologic, and
geophysical data to better understand hydrogeologic processes
in and between groundwater basins in California and the nation.
For the San Diego Hydrogeology project, Geoff is technical lead
for development of the 3D geologic framework, and he recently
took over as project lead following Wes Danskin's retirement
from the USGS. Geoff lives in San Luis Obispo, California with
his family.
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Upcoming SDAG meetings - 2026
Novmber 18 - Dave Bloom: "Geology of Morocco"
December 16 - Annual Holiday Meeting at San Diego History Museum with Tom Deméré as speaker
January 2027 - Pat Abbott: "Geologic Control of Human History in Central Texas: Cretaceous
limestone, Miocene faulting, groundwater flow, and human land use"
Recordings of past meetings
Note: If the video or sound does not play, try using another web browser. Firefox and Chrome may work on some of the videos. MS Edge and Safari are most likely to work.
8/19/26 Monte Marshall: "Some Highlights of European Plate Tectonic History, With a Focus on Italy."
7/15/26 Rick Halsey speaking on "For the Love of Rocks, Deep Time, and the Pursuit of Knowledge."
6/10/26 Kathryn Metcalf speaking on "Something Old, Something New: Revisiting Permian to Jurassic tectonics in the Klamath Mountains, Northern California."
5/20/26 Danny Sims speaking on "X-ray diffraction and seismic reflection data constraints
on geothermal mineral brine reservoir modelling, Salton Sea Geothermal Field, Imperial Valley, California."
4/15/26 Jennifer Morton speaking on "Ground-truth Studies of the La Nacion Fault Zone, San Diego, California."
4/15/26 Cici Jobe speaking on "From Park to Garden: Collaborative Soil Testing to Support Food Security in Urban San Diego."
4/15/26 Hannah Lissner speaking on "Assessing the Metals Variability, Clay Mineralogy, and Morphology of San Salvador Island Paleosoils."
3/18/26 Josh Goodwin speaking on "Understanding Geology Licensure in California: PG, CEG, CHg, and PGp; How to apply, serve as a reference, and avoid common violations."
2/18/26 Norrie Robbins Speaking on "From Precambrian Iron Formation to Terraforming Mars - the JIMES Expedition to Santoria"
1/21/26 Ali Fattah on "Updates to the San Diego Municipal Code requirements for Geotechnical Reports - Outreach"
12/17/25 Traditional holiday meeting at the San Diego Natural History Museum - Tom Deméré on "150 years of Paleontology at the San Diego Natural History Museum"
11/19/25 Joint Meeting with AEG Inland Empire Section - Eldon Gath on "San Joaquin Hills, Santa Ana Mountains, Puente Hills, and the Whittier fault: The final(?) grand theory of Orange County's tectonic geomorphic evolution"
10/15/2025 Todd Wirths on "Eocene Paleontology at Tourmaline Surfing Park, La Jolla"
8/20/2025 Dr. Mario Caputo on "Newly Discovered Tetrapod Bones, Insect Trace Fossils, & Eolian Adhesion Structures- Upper Pennsylvanian Wescogame Formation, Supai Group, Grand Canyon, Arizona"
7/16/2025 Rachel Maxwell on a survey of the Mojave-Sonoran Desert Springs and their sources. "Is this spring connected to that Aquifer?"
6/18/2025 Development of the western Hollywood Basin and Cheviot Hills, and newly identified blind thrust in Santa Monica Bay - Dr. Miles Kenney
5/14/2025 Dr. Sebastian Lobo-Guerrero "Landslide Stabilization" (Audio is very quiet first few minutes.)
4/16/2025 Constraining Natural and Anthropogenic Controls on Base of Freshwater and Underground Source of Drinking Water (USDW) In Central San Joaquin Valley - Emily Imperato
4/16/2025 Examination of Middle Cambrian hyoliths from the Manuels River Formation of Avalonian southeastern Newfoundland - Nicolas Oliver
2/19/2025 A New Seismotectonic Framework for Active Faults in Metropolitan San Diego - Karl Mueller
8/21/2024 Upper Cretaceous through lower Eocene strata in San Diego: Messages for the end-Cretaceous impact, extinctions, and paleoclimates - Dr. Pat Abbott
5/15/2024 Exploring Iceland's Geological Wonders: From a Regional Perspective to a Hiking Expedition - Don Barrie & William Buckley
3/19/2024 Mighty Bad Land: A Perilous Expedition to Antarctica Reveals Clues to an Eighth Continent - Bruce Luyendyk
Intro by Pat Abbott to Speaker: Dave Kimbrough
Meetings are usually scheduled for the 3rd Wednesday evening of the month.
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The submittal deadline for the next SDAG newsletter is the last Friday of the month.
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