Contribute Geolocation Data
Help us add geographic metadata to scientific works!
The works listed below have been harvested from various scientific sources but do not have geolocation data yet. If you know the geographic location or area mentioned in any of these works, you can help us improve our database.
Know a publication that should be in OPTIMAP? Enter its DOI and we will fetch its metadata from Crossref and enrich it automatically. If we already have it, you will be taken to its page.
Please log in to add works by DOI — use the user menu at the top right of the page.
Showing 4601 to 4650 of 59105 works
Seasonality of the Migrating Semidiurnal Tide in the Tropical Upper Mesosphere and Lower Thermosphere and its Thermodyn…
This work uses the Specified Dynamics-Whole Atmosphere Community Climate Model with Ionosphere/Thermosphere eXtension (SD-WACCM-X) to determine and explain the seasonality of the …
Mars' External Magnetic Field as Seen from the Surface with InSight
The magnetometer of the InSight mission operated on the martian surface from November 2018 until May 2022. Previously, satellites have provided information on the martian magnetic…
Effects of redox variability and early diagenesis on marine sedimentary Hg records
Volcanism is the dominant natural source of mercury (Hg) to the atmosphere, biosphere, ocean and sediments. In recent years, sedimentary Hg contents have emerged as a tool to reco…
Ocean general circulation models simulate total ocean transport averaged over surface waves
We argue that ocean general circulation models and observations based on Ekman or geostrophic balance provide estimates of the Lagrangian-mean ocean velocity field averaged over s…
Data-driven Estimation of Groundwater Level Time-Series Using Comparative Regional Analysis
A new method is presented to efficiently estimate daily groundwater level time series at unmonitored sites by linking groundwater dynamics to local hydrogeological system controls…
Operational aerosol retrieval at subkilometer resolution using OceanSat-2 OCM over land: SAR algorithm, uncertainties, …
The OCM sensor onboard OceanSat-2 is providing data in visible and NIR bands. Due to the limited spectral coverage of OCM, the widely used dark-target and deep-blue aerosol algori…
Characterizing Catchment-Scale Nitrogen Legacies and Constraining their Uncertainties
Improving nitrogen (N) status in European water bodies is a pressing issue. N levels depend not only on current but also past N inputs to the landscape, that have accumulated thro…
Regional Drivers of Stream Chemical Behavior: Leveraging Lithology, Land Use, and Climate Gradients across the Colorado…
Understanding relationships between stream chemistry and watershed factors: land use/land cover, climate, and lithology are crucial to improving our knowledge of critical zone pro…
Autonomous ground system for 3D LiDAR based field phenotyping
To assist plant scientists, geneticists, and growers to understand crop-environment interactions, plant phenotyping is a powerful tool for improving crop cultivars and developing …
A high-end estimate of sea-level rise for practitioners
Sea-level rise (SLR) is a long-lasting consequence of climate change because global anthropogenic warming takes centuries to millennia to equilibrate. SLR projections based on cli…
Unexpected self-lofting and dynamical confinement of volcanic plumes: the Raikoke 2019 case
Recent research has put in evidence the self-lofting capacity of smoke aerosols in the stratosphere and their self-confinement by persistent anticyclones, which prolongs their atm…
Stratospheric water vapor from the Hunga Tonga - Hunga Ha'apai volcanic eruption deduced from COSMIC-2 radio occultation
The eruption of the Hunga Tonga – Hunga Ha’apai (HTHH) volcano on January 15, 2022 injected large amounts of water vapor directly into the stratosphere. While normal background le…
Investigating Potential Causes for the Prediction of Spurious Magnetopause Crossings at Geosynchronous Orbit in MHD Sim…
During intense geomagnetic storms, the magnetopause can move in as far as geosynchronous orbit, leaving the satellites in that orbit out in the magnetosheath. Spacecraft operators…
Flume investigation of bed morphology, flow field, and bed load transport as mechanisms responsible for particle sortin…
Meandering gravel-bed rivers tend to exhibit bed surface sorting patterns with coarse particles located in pools and fine particles on bar tops. The mechanism by which these patte…
Approach to Estimate Current and Future Destabilization Risk to Energy Facilities on Permafrost
Permafrost is permanently frozen ground that covers over 10% of the Earth’s surface. Many northern regions have extensive infrastructure built on this hard, frozen ground. When pe…
Understanding Ribosomal Structural Differences Between Bacteria and Archaea Using Network Graphs
The ribosome is a universal molecular machine (comprised of RNA and proteins) which translates the message from the genome into proteins (polymers of amino acids) in biology. Simi…
Episodic slow slip hosted by talc-bearing metasomatic rocks: High strain rates and stress amplification in a chemically…
Episodic tremor and slow slip (ETS) downdip of the subduction seismogenic zone are poorly understood slip behaviors of the seismic cycle. Talc, a common metasomatic mineral at the…
Observations of Electron Vorticity and Phase Space Holes in the Magnetopause Reconnection Separatrix
We report Magnetospheric MultiScale (MMS) observations of two electron vortices with a roughly 10 km or 2-3 electron skin depths cross-section across the magnetospheric separatrix…
Hydrodynamics of non-equilibrium soil water retention
Water retention in soil exhibits diverse phenomena, including suction-saturation hysteresis, non-unique air entrapment at zero suction and negative suction under partial saturatio…
Earth’s Observed Hemispheric Albedo Symmetry by Cloud Type: Climatology, Trends, and Tests of Cloud Adjustment Hypothes…
Earth’s Northern and Southern Hemispheres reflect identical amounts of sunlight. How — and whether — this hemispheric albedo symmetry is maintained remains a mystery. We decompose…
Orbital and In-Situ Investigation of the Bagnold Dunes and Sands of Forvie, Gale Crater, Mars
The Bagnold linear dune field investigated by Curiosity at Mount Desert Island (MDI) is in Gale crater, north of the ~5.5 km high Aeolis Mons mound. False-color images (RGB, 2.496…
Narrowing in the differences of urban and non-urban surface ozone levels in summers of the Northern Hemisphere
Differences of surface ozone levels between urban and non-urban areas provide a good indicator of local ozone formation regimes. However, trends in the urban vs. non-urban ozone d…
Rapid Enhancements of Relativistic Electrons in the Earth’s Outer Radiation Belt caused by the Intense Substorms: A Sta…
Using the data from Van Allen Probe A and B, we investigate rapid enhancements of relativistic electrons in the Earth’s outer radiation belt caused by the intense substorms ( AE m…
The importance of time and space in biogeochemical heterogeneity and processing along the reservoir ecosystem continuum
Globally-significant quantities of carbon (C), nitrogen (N), and phosphorus (P) enter freshwater reservoirs each year. These inputs can be buried in sediments, respired, taken up …
Topographic Controls on Active Microwave Behavior of Mountain Snowpacks
An uncalibrated distributed multiphysics snow model driven by downscaled weather forecasts (30-m, 15-min) was implemented as a Radar Observing System Simulator (ROSS) in Senator B…
Tropospheric Delay Calibration System performance during the first two BepiColombo solar conjunctions
Media propagation delay and delay-rate induced by the water vapor within the Earth’s troposphere represent one of the main error sources for radiometric measurements in deep space…
Learning by doing: seasonal and diurnal features of tropical precipitation in a global-coupled storm-resolving model
Using the global and coupled ICON-Sapphire model with a grid spacing of \SI{5}{\kilo\meter}, we describe seasonal and diurnal features of the tropical rainbelt and assess the limi…
Rapid growth and high cloud forming potential of anthropogenic sulfate aerosol during the Covid lockdown in India: Chan…
Covid lockdown presented an important opportunity to study relatively cleaner conditions in India. The complex factors of power production, industry, and transportation could be m…
Dusk-Dawn Asymmetries in SuperDARN Convection Maps
The Super Dual Auroral Radar Network (SuperDARN) is a collection of radars built to study ionospheric convection. We use a 7-year archive of SuperDARN convection maps, processed i…
Generation of artificial ULF/ELF electromagnetic emission in the ionosphere by horizontal ground-based current system
The feasibility of detection of electromagnetic response in the upper ionosphere to ground large-scale ultra-low-frequency (ULF) and extremely-low-frequency (ELF) transmitters by …
Physical Controls on the Creation and Persistence of Natural Marine-Seepage Slicks
Physical processes involved in the ascent of naturally seeped oil from the seafloor and its persistence as a slick are considered. Simplified, physics-based models are developed, …
Determining the timing of driver influences on 1.8-3.5 MeV electron flux at geosynchronous orbit using ARMAX methodology
Although lagged correlations have suggested influences of solar wind velocity (V) and number density (N), IMF Bz, ULF wave power, and substorms (as measured by AE) on MeV electron…
Integrated, Coordinated, Open, and Networked (ICON) Scientific and Societal Relevance
This article is composed of three independent commentaries about the state of ICON principles (Goldman et al. 2021) in Science and Society section and discussion on the opportunit…
Transient Brittle Creep mechanism explains early postseismic phase of the 2011 Tohoku-Oki megathrust earthquake: observ…
The early stage of the postseismic phase is characterized by a large deformation rate. Its analysis is thus key to decipher the role played by different mechanisms (afterslip and …
Identifying Exoplanets’ Potentiality for Life in Habitable Zones: Giving New Dimension to Cosmological
The discovery of exoplanets has altered our understanding of the universe. But, for the planets to show the possibility to harbour life in it or have biosignatures, it must have o…
COVID-19 impact on the oil and gas industry emissions: a case study of methane and nitrogen dioxide in the Permian basin
COVID-19 caused an historic collapse in fossil fuel demand, a general decline in economic activity and hydrocarbon price volatility. This resulted in an unprecedent scenario to ev…
Power-function expansion of the nondimensional complementary relationship of evaporation: the emergence of dual attract…
The polynomial form of the nondimensional complementary relationship (CR) follows from an isenthalpic process of evaporation under a constant surface available energy and unchangi…
Carbon supplementation and bioaugmentation to improve denitrifying woodchip bioreactor performance under cold conditions
Cold temperatures limit nitrate-N load reductions of woodchip bioreactors in higher-latitude climates. This two-year, on-farm (Willmar, Minnesota, USA) study was conducted to dete…
Projected impact of increased global warming on heat stress and exposed population over Africa
This study investigates the impact of increased global warming on heat stress changes and the potential number of people exposed to heat risks over Africa. For this purpose a heat…
History-dependent volcanic ground deformation from broad-spectrum viscoelastic rheology around magma reservoirs
Long-duration, continuous geodetic timeseries suggest that volcanoes exhibit a wide range of deformation patterns that vary between episodes of unrest. Viscoelastic deformation ar…
Stratospheric Circulation Changes Associated with the Hunga Tonga-Hunga Ha'apai Eruption
The 15 January 2022 eruption of the Hunga Tonga-Hunga Ha'apai underwater volcano injected a record amount of water directly into the stratosphere. This study attempts to quantify …
A Journey toward the High-Pressure Metamorphism in Continental Crust: P-T-D Path Estimate and 40Ar/39Ar Single Grain Da…
The first attempt of pressure-temperature-deformation-time (P-T-d-t) path reconstruction for the Lower Units (Alpine Corsica, France) is presented in this work. The Lower Units re…
Physics-Guided Data-Driven Seismic Inversion: Recent Progress and Future Opportunities in Full Waveform Inversion
The goal of seismic inversion is to obtain subsurface properties from surface measurements. Seismic images have proven valuable, even crucial, for a variety of applications, inclu…
Surface Energy Budget, Albedo and Thermal Inertia at Jezero Crater, Mars, as Observed from the Mars 2020 MEDA Instrument
The Mars Environmental Dynamics Analyzer (MEDA) on board Perseverance includes first-of-their-kind sensors measuring the incident and reflected solar flux, the downwelling atmosph…
Determining characteristic morphological wavelengths for Venus using Baltis Vallis.
One of Venus’ most enigmatic landforms is Baltis Vallis, the longest observed channel on the surface (~7000 km long). Topographic conformity analysis shows that Baltis Vallis was …
Optimizing the isoprene emission model MEGAN with satellite and ground-based observational constraints
Isoprene is a hydrocarbon emitted in large quantities by terrestrial vegetation. It is a precursor to several air quality and climate pollutants including ozone. Emission rates va…
Modeling VLF wave dynamics in the magnetosphere
These are the slides used in the RBSP Online Seminar presentation (March 25, 2022), which describe ray tracing calculations to study VLF wave dynamics in the magnetosphere.
Development of Forest Fire Risk Map for Budhabalanga River basin in India using Analytical Hierarchical Process
In recent decades, major growth is observed in wildfire incidents across the globe. These ecological disasters, triggered by natural and/or anthropogenic factors, can have long-la…
Spatiotemporal variations of surface deformation, shallow creep rate, and slip partitioning between the San Andreas and…
The Calaveras Fault (CF) branches from the San Andreas Fault (SAF) near San Benito, extending sub-parallel to the SAF for about 50 km with only 2-6 km separation and diverging nor…
Greenhouse Effect does not exist
It has been said that we have a greenhouse effect or GHE and that the Earth's atmosphere lets visible light in from the Sun. This heats up the Earth's surface which radiates long …
How to help
If you recognize any works that reference specific geographic locations, please login, confirm your account, and contribute metadata.
In case you find any errors in other metadata fields, if you see a work with incorrect location or time information, or if you find works that should be included in our database, please contact us: