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 4151 to 4200 of 59105 works
Synergistic Degradation of Dyes with Marine Bacteria Incubated in Graphene Oxide Matrix
Graphene or graphene-based nanomaterials have emerged as novel scaffolds for developing robust bio-catalytic systems and a fast-developing promising contender for bioremediation. …
Mass Statistical Analysis of Early VLF Events
The analysis of Very Low Frequency (VLF, 3-30 kHz) radio back-scattering can be used to measure the impact of lightning on the D region of the ionosphere (60-90 km). Early/fast ev…
Transport-reaction dynamics of particulate organic matter and oxygen in riverbed sediments
This study deals with the riverbed of the Columbia river in the vicinity of the Hanford 300 Area study site in eastern Washington, where fluctuations in river stage take place bot…
Development of CMIP6-based climate scenarios for Japan using statistical method and their applicability to impact studi…
Climate scenario dataset are indispensable for assessing future climate impacts. In this study, we developed statistically downscaled climate scenarios in Japan using modified bia…
Ozone-forced Southern Annular Mode during Antarctic Stratospheric Warming Events
Southern Hemisphere (SH) Stratospheric Warming Events (SWEs) are usually associated with a negative phase of the tropospheric Southern Annular Mode (SAM) during the following summ…
Climate Projections of salt-wedge intrusions in a Po river branch (Northern Adriatic Sea)
Estuaries are the transitional systems between the riverine freshwaters and the ocean salt water. Increasing salt-wedge intrusions are mentioned as one of the major impacts of cli…
Vegetation index-based partitioning of evapotranspiration is deficient in disturbed systems
Partitioning evapotranspiration (ET) into its primary components, i.e., evaporation (E) and plant transpiration (T), is needed in a range of hydrometeorological applications. Usin…
Everything hits at once - how remote rainfall matters for the prediction of the Canadian heat 2021
In June 2021, Canada experienced an intense heat wave with unprecedented temperatures and far-reaching socio-economic consequences. Anomalous rainfall in the West Pacific triggers…
Night light polarization: modeling and observations of light pollution in the presence of aerosols and background skyli…
Aurorae and nightglow are faint atmospheric emissions visible during night-time at several wavelengths. These emissions have been extensively studied but their polarization remain…
A Thermal Origin for Most Marsquakes
The thermal response of the martian subsurface due to solar forcing lacks direct measurements. The InSight mission provides the best opportunity to detect the thermal behavior of …
Global Radiative Convective Equilibrium with a Slab Ocean: SST Contrast, Sensitivity and Circulation
Warming experiments with a uniformly insolated, non-rotating climate model with a slab ocean are conducted by increasing the solar irradiance. As the global mean surface temperatu…
A Multi-scalar Global Assessment of Drought and Wetness Variability
In recent decades, the intensity, frequency, and variability of extreme events (e.g., heat waves, droughts, severe storms, and floods) have increased globally due to the intensifi…
Historical changes of phytoplankton community in Fuxian and Dianchi lakes recorded by alkyl diols and sterol biomarkers
We investigated historical changes in temperature and phytoplankton in Fuxian Lake (FX) and Dianchi Lake (DC), two plateau lakes in Southwest China. We detected sterols and alkyl …
Regionalization in a global hydrologic deep learning model: from physical descriptors to random vectors
Streamflow prediction is a long-standing hydrologic problem. Development of models for streamflow prediction often requires incorporation of catchment physical descriptors to char…
Characterisation of hypersaline zones in salt marshes
Salt pans are commonly found in coastal marshes and play a vital role in the marsh plants zonation. However, the correlation between these hypersaline zones and the marsh hydrolog…
Improved simulation of the polar atmospheric boundary layer by accounting for aerodynamic roughness in the parameterisa…
A new, simple parameterisation scheme for scalar (heat and moisture) exchange over sea ice and the marginal ice zone is tested in a numerical weather and climate prediction model.…
Meltwater lenses over the Chukchi and the Beaufort seas during summer 2019: from in-situ to synoptic view.
We investigate the Chukchi and the Beaufort seas, where salty and warm Pacific Water flows in from the Bering Strait and interacts with the sea ice, contributing to its summer mel…
Spatial variability of turbulent mixing from an underwater glider in a large, deep stratified lake
Spatial variability of physical properties induced by circulation and stirring remains unaccounted for in the energy pathway of inland waters. Recent efforts in microstructure tur…
Geophysical-Geochemical Modeling of Deep Crustal Compositions: Examples of Continental Crust in Typical Tectonic Settin…
The chemical composition of the deep continental crust is key to understanding the formation and evolution of the continental crust. However, constraining the chemical composition…
Interactive Deep Learning for Exploratory Sorting of PlantImages by Visual Phenotypes
This paper proposes an interactive system called Andromeda1that enables users to interact with machine learning models to allow for exploratory sorting of images through a cogniti…
Two phases of shortening across northeastern Tibet as a result of a strong Qaidam lithosphere during the Cenozoic India…
Current geologic observations support two contrasting views on the evolution of the northeastern Tibet north of the Qaidam basin: (1) crustal shortening started at the onset of th…
Slab geometry and upper mantle flow patterns in the Central Mediterranean from 3D anisotropic P-wave tomography
We present the first 3D anisotropic teleseismic P-wave tomography model of the upper mantle covering the entire Central Mediterranean. Compared to isotropic tomography, we find th…
Time-of-Arrival of Coronal Mass Ejections: A Two-Phase Kinematics Approach Based on Heliospheric Imaging Observations
Despite the ability to image coronal mass ejections (CMEs) from the Sun through the inner heliosphere, the forecasting of their Time-of-Arrival (ToA) to Earth does not yet meet mo…
Examining Hurricane Ida’s Impact on Mental Health: Results from a Quasi-Experimental Analysis
Limited research has evaluated the mental health effects of compounding disasters (e.g., hurricanes followed by a heat wave), and few studies have relied on crisis lines for post-…
Probabilistic volcanic mass flow hazard assessment using statistical surrogates of deterministic simulations
Probabilistic volcanic hazard assessments require (1) an identification of the hazardous volcanic source; (2) estimation of the magnitude-frequency relationship for the volcanic p…
Helium isotope characteristics of Andean Convergent Margin geothermal fluids
Subduction zones are the interface between Earth’s interior (crust and mantle) and exterior (atmosphere and oceans), where carbon and other volatiles are actively cycled between E…
Soil carbon effluxes of forest ecosystems in China
Forest soil is the largest carbon pool in terrestrial ecosystem, and the soil-to-atmosphere CO 2 flux (soil respiration, Rs ) is the main link between soil and atmosphere. However…
Wildfire smoke exposures and adult health outcomes
Health outcomes attributable to wildfire smoke pollution exposure are an increasingly important global health issue especially as wildfires are increasing in frequency and intensi…
The Effects of Solar Cycle Variability on D and H in the Upper Atmosphere of Mars
The upper atmosphere of Mars is directly affected by solar activity and the resulting solar irradiance impinging upon it. Variations in solar forcing can affect the rate at which …
High-top clouds play an efficient part in moisture transport to the Antarctic
We verified high-top clouds from satellite imaging that contributed to snow accumulation at Syowa Station, Antarctica, during a blizzard event in 2009. Snow stake data shows that …
Characterization and Monitoring for Different Types of Biochars
Biochar is the carbon rich product of organic waste pyrolysis under oxygen-free conditions. Biochar properties are inherited from the raw materials used and can be enhanced with p…
Effects of cloud microphysics on the universal performance of neural network radiation scheme
The stability of radiation emulator on cloud microphysics changes is essential for utilization in operational weather-forecasting models with frequent updates. This study examined…
A Comparison of Top-of-Atmosphere Radiative Fluxes from CERES and ARISE
Uncertainty in Arctic top-of-atmosphere (TOA) radiative flux observations stems from the low sun angles and the heterogeneous scenes. Advancing our understanding of the Arctic cli…
Semi-automatic tuning of coupled climate models with multiple intrinsic timescales: lessons learned from the Lorenz96 m…
The objective of this study is to evaluate the potential for History Matching (HM) to tune a climate system with multi-scale dynamics. By considering a toy climate model, namely, …
A Regional Hydrological Model for Arid and Semi-Arid River Basins with Consideration of Irrigation
We develop a regional hydrological model that applies to arid and semi-arid regions, by explicitly considering the effect of irrigation on the hydrological processes. A new irriga…
Coastal eutrophication in Brazil: The role of nutrient excess on coral reef demise, with special reference to Bahian re…
The purpose of this article is to review the current state of knowledge of coastal nutrification in Brazil, with special reference to the coral reef areas of the Bahia State. It a…
Apparent influence of the Indian Ocean on the ENSO-Indian monsoon teleconnection
Origins of the interdecadal fluctuations of the ENSO-Indian summer monsoon (ISM) teleconnection strength measured by running window correlation coefficients have been much debated…
Uncertainty Assessments of Multi-GCM, Multi-Scenario, and Multi-Factor for Temperature Projections: an Integrated SCA-W…
Assessing the impacts of multiple sources on statistical downscaling is challenged by uncertainty from global climate model (GCM), scenario and factor. In our study, by integratin…
Joint control of pressure and gas hydrate stability zone on hydrate occurrences
Most fracture-filling hydrates are discovered in the clay-domain sediments shallower than 200 meters below seafloor, while pore-filling hydrates were found in deeper sediments exc…
Sensitivity of model estimates of CME propagation and arrival time to inner boundary conditions
Accurately forecasting the arrival of coronal mass ejections (CMEs) at Earth is important to enabling mitigation of the associated space weather risks to society. This is only pos…
Partially-Saturated Brines Within Basal Ice or Sediments can Explain the Bright Basal Reflections in the South Polar La…
Strong radar reflections have been previously mapped at the base of the Martian South Polar Layered Deposits (SPLD). Here, we analyze laboratory measurements of dry and briny samp…
Does the Threshold of Sediment Motion Constrain the Width of an Incising Laboratory River?
A physically rational model for river width is critical to predict macroscopic landscape evolution driven by fluvial sediment transport. Growing evidence suggests that rivers wide…
Chenier Formation Through Wave Winnowing and Tidal Transport
Cheniers are ridges consisting of coarse-grained sediments, resting on top of the fine sediment that forms the otherwise muddy coast. In this paper, we use Delft3D to explore how …
Quantifying inclination shallowing and representing flattening uncertainty in sedimentary paleomagnetic poles
Inclination is the angle of a magnetization vector from horizontal. Clastic sedimentary rocks often experience inclination shallowing whereby syn- to post-depositional processes r…
Predicting Antarctic net snow accumulation at the kilometer scale and its impact on observed height changes
Sub-grid-scale processes occurring at or near the surface of an ice sheet have a potentially large impact on local and integrated net accumulation of snow via redistribution and s…
Patterns and Drivers of Dissolved Gas Concentrations and Fluxes Along a Low Gradient Stream
Freshwater ecosystems are globally significant sources of greenhouse gases (GHG) to the atmosphere. Generally, we assume that in-situ production of GHG in streams is limited by tu…
Plan-form evolution of drainage basins in response to tectonic changes: Insights from experimental and numerical landsc…
Spatial gradients in rock uplift control the relief and slope distribution in uplifted terrains. Relief and slopes, in turn, promote channelization and fluvial incision. Consequen…
Estimating the Meridional Extent of Adiabatic Mixing in the Stratosphere using Age-of-Air
Wave-induced adiabatic mixing in the winter midlatitudes is one of the key processes impacting stratospheric transport. Understanding its strength and structure is vital to unders…
Modeling Intensity-Duration-Frequency curves for the whole range of precipitation: A comparison of models
Intensity-Duration-Frequency curves are useful in water resources engineering for the planning and design of hydrological structures. As opposed to the common use of only extreme …
What is Unusual about the Third Largest Geomagnetic Storm of Solar Cycle 24?
We report on the solar and interplanetary (IP) causes of the third largest geomagnetic storm (2018 August 26) in solar cycle 24. The 2018 August 20 coronal mass ejection (CME) ori…
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: