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U.S.: Saturday, December 28, 2019
Sydney, Australia: Sunday, December 29, 2019

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Currently the Calculators On-Line Center contains
over "22,125" Calculators & Spreadsheets,

over "4,420" Courses, Lectures, Manuals, Handbooks,
& "1,000's" of Movies, Videos, Simulations & Animations

(Courses, Lectures, Textbooks, Databases, Calculators, Videos, etc.)

Geoscience Journals

Geology Time Scales, Chronological Methods & Geochronology

Geology, Physical Geology, Structural Geology, Petrology,
Sedimentary Geology, Stratigraphy, Geodynamics, Marine Geology, Coastal Geology, etc.

Ecology, Ecosystems, Population Ecology, Population Genetics

Fresh Water Fish Habitats

Fluid Dynamics
Geophysical Fluid Dynamics, etc.

Geography & Topography ~ Geography of Transport Systems ~ Paleogeography

Geodesy - Geodynamics - GPS, GIS, Remote Sensing, etc.

Geomagnetism - Paleomagnetism - Magnetics

Geochemistry ~ Geophysics

Geomorphology, Fluvial Geomorphology, Tectonic Geomorphology

Geothermics, Geothermobarometry, Mineral Thermobarometry

Glaciology, Cryosphere,
Glacial Geology, Quaternary Geology, Ice, Snow, Glaciers, Icebergs

Landslides ~ Mineralogy

Morphodynamics, Sedimentation & Turbidity: Rivers, Streams, Reservoirs

Marine Biology ~ Oceanography & Marine Geochemistry

Plate Tectonics ~ Seismology ~ Tephrochronology ~ Tsunami ~ Volcanology

Water Pollution ~ Water Quality ~ Watershed & Water Runoff

Archaeology, Anthropology, Palaeoichnology, Paleobotany,
Paleoclimatology, Paleoceanography, Paleontology (Fossils, Dinosaurs, etc.)

Courses, Lectures, Databases, Calculators, Videos, etc.

Courses, Lectures, Databases, Calculators, Videos, etc.

Climatology, Meteorology, Atmospheric Chemistry & Atmospheric Physics
Courses, Lectures, Databases, Calculators, Videos, etc.

Courses, Lectures, Databases, Calculators, Videos, etc.

Geotechnical Eng. & Geo-Engineering
Courses, Lectures, Databases, Calculators, Videos, etc.

Hydrology, Hydaulics, Geohydrology, Reservoir Engineering
Courses, Lectures, Databases, Calculators, Videos, etc.

Petroleum & Geosystems Engineering
Courses, Lectures, Databases, Calculators, Videos, etc.

Soil Science, Soil Chemistry, Soil Biology
Courses, Lectures, Databases, Calculators, Videos, etc.

Water Chemistry, Water Drainage, Erosion, ET & pET,
Ground Water, Water Runoff, Watershed, etc.

Courses, Lectures, Databases, Calculators, Videos, etc.

Chemicals, Biochemicals, Geochemicals Databases

Calculators On-Line Center

Geology Time Scales,

Chronological Methods & Geochronology

Geologic Time Scales & International Chronostratigraphic Chart

Geochronology Methods

Chronological Methods Courses, Lectures, etc.

By Dating Method

Amino Acid Geochronology

Archaeomagnetic Dating, Paleomagnetic Time Scale, Paleomagnetism

Atom Trap Trace Analysis
(Radio-Krypton Dating, Radiometric 81Kr Dating)

Dendrochronology (Tree-Ring Dating)

Geomagnetic Polarity Time Scale ~ Ice Cores

Thermoluminescence (TL) & Optically Stimulated Luminescence (OSL)

Obsidian Hydration

Radiocarbon Dating

Surface Exposure - Cosmogenic Exposure ~ Tephrocronology

Geology, Physical Geology, Structural Geology,

Petrology, Sedimentary Geology, Stratigraphy,

Geodynamics, Marine Geology, Coastal Geology, etc.

Dictionaries & Glossaries

Geology Atlases & Geology Databases ~ Geology Field Trips

Basic Geology Lectures & Lessons

Physical Geology & Earth's Interior Courses & Lectures

Structural Geology Courses, Lectures & Videos

Petrology, Petrography, Carbonate Petrology,
Coal & Carbon Compounds Petrology,
Igneous and Metamorphic Petrology, etc.
Atlases, Courses, Lectures & Databases

Sedimentary Geology Courses, Lectures, etc.

Stratigraphy Courses, Lectures & Databases

International Continental Coring Projects

Geodynamics Courses & Lectures

Marine Geology Courses & Lectures

Coastal Geology Courses & Lectures

Electron Microprobe Techniques Courses & Lectures

Plate Tectonics

Fresh Water Fish Habitats

Columbia Basin Water & Fisheries Project


Fish Health ~ Fish Passage

Fish Protection at Water Diversions

Flow Between Two Reservoirs

Gas Saturation in Streams

Hatchery Management

Stream Pebble Count

Water Density

Geography & Topography

Geography Dictionaries & Glossaries

Geography & Topography Courses, Lectures, Textbooks, etc.

Geograhic Maps & Atlases

World Map Atlases ~ Geo-Sparial Maps, Fly Over Maps, 3D Maps

Interactive Mapping, Design Your Own Map

Geographic Maps & Atlases for Individual Countries

Geographic Names, Geographical Coordinates

Topography Databases


Undergraduate & Graduate
Courses, Lectures, Textbooks, Manuals, etc.

Geochemistry Databases & Geochemical Modelling

Geochemistry Calculators, Animations, Simulations, etc.


Geophysics & Applied Geophysics
Courses, Lectures, Manuals, etc.

Undergraduate Courses, Lectures, etc. ~ Graduate Courses, Lectures, etc.

Geophysics & Applied Geophysics Databases

Geophysics & Applied Geophysics Calculators, Simulations, etc.

Glaciology, Cryosphere, Glacial Geology,

Quaternary Geology, Ice, Snow, Glaciers, Icebergs

Glaciology & Cryosphere Dictionaries & Glossaries

Glaciology Databases ~ Ice Core Databases

Glacial Geology & Quaternary Geology
Courses, Lectures, Textbooks, etc.

Artic Climatology & Meteorology Courses, Lectures, etc.

Snow & Ice, Snow Dynamics, Accumulation, etc. Courses, Lectures, etc.

Snow Crystals Courses, Lectures, etc.

Avalanche Encyclopedias & Glossaries

Iceberg Movies & Simulations ~ Iceflow Calculators

Sea-Ice Engineering, Sea-Ice Geophysics, Sea-Ice Research, etc.

Meteorology, Climatology, Atmospheric Chemistry, Atmospheric Physics


Mineralogy Databases

Mineral Spectroscopy Databases ~ Mineral Structure Databases

Mineralogy Courses, Lectures, Textbooks, etc.

Optical Mineralogy Courses, Lectures, Textbooks, etc.

Marine Biology

Marine Biology Dictionaries & Glossaries


Fisheries ~ Ichthyology ~ Marine Biology

Marine Species Databases ~ Marine Biology Courses & Lectures

Marine Biology by Subject

Sounds of the Sea Lessons, Lectures, etc.
(Fish, Dolphins, Lobsters, Seals, Walrus, Whales, etc.)


Deep Sea Animals - Deepwater Animals

Cephalopods (Octopus, Squid, Cuttlefish, Nautilus)

Conchology - Gastopods (Shells & Mollusks) ~ Corals, Sea Anemones

Crustaces (Barnacles, Crabs, Lobsters, Shrimp, etc.)

Nudibranchs, Opisthobranchs, Sea Slugs

Seaweeds, Kelp, Marine Algae ~ Sea Urchins ~ Seahorses

Oceanography & Marine Geochemistry

Oceanography & Marine Geochemistry Courses, Lectures, Textbooks, etc.

Undergraduate Courses, Lectures, Textbooks, etc.

Introduction to Physical Oceanography

Chemical Oceanography & Marine Chemistry

Geochemistry of Marine Sediments & Marine Organic Geochemistry

Fisheries & Biological Oceanography ~ Satellite Oceanography

Graduate Courses, Lectures, Textbooks, etc.

Chemical Oceanography

Geochemistry of Igneous Rocks ~ Hydrothermal Vent Geochemistry

Isotope Geochemistry ~ Sea Level Measurement & Interpretation

Oceanography Tools & Calculators

Oceanography; OOI, Marine Geoscience, Geology, Geophysics, Geochemistry;
Bathymetry; Topography; Sea Level; Vents; etc. Databases, Atlases, Models, etc.

Bedform Sedimentology, Marine Sedimentary Processes & Sediment Transport

Coastal Modeling Systems ~ Dredging

Ocean Waves, Ocean Wave Theory


Coastal Engineering


Current Seismology Activity

Seismology Dictionaries & Glossaries

Seismology Databases ~ Seismology Seminars

Seismology Courses, Lectures, Textbooks, etc.

South Napa Earthquake - Fault Afterslip

Elastic Wave Exploration Seismology (CREWES Explorer Program)

Seismology Networks, Seismology Instruments & Earthquake Early Warning Systems

Seismology Calculators & Simulations

Electric Sounding - Response of a Subsurface Mode

Reftek Das Memory Usage

Seismographs ~ Seismometers & Seismometer Calibration


      Tephrochronology Databases

        TEPHRABASE: A TEPHROCHRONOLOGY DATABASE - Hosted by the School of GeoSciences, University of Edinburgh, UK Multimedia Tephrochronology Databases (Text & Images). VERY VERY VERY...EXTENSIVE.
          " a database of tephra layers found in Iceland, north-west and northern Europe, Russia and central Mexico. Details on the location, name, age and geochemistry of tephra layers are stored in the database, as well as information about relevant volcanoes and volcanic systems. A comprehensive reference database is also included..."


Current Tsunami Activity

Tsunami Dictionaries & Glossaries ~ Tsunami Databases

Tsunami Courses, Lectures, Movies, Animations & Modeling

Tsunami Calculators & Simulations

Calculators On-Line Center ~ Home Page

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