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 6651 to 6700 of 59105 works
A Decade of Aboveground Woody Biomass Dynamics in Africa
The temporal dynamics of aboveground woody biomass across the landscape is one of the most uncertain aspects of the global carbon cycle. Previous studies suggest that the forests …
A complex network approach to study the extreme precipitation patterns in a river basin
The spatiotemporal patterns of precipitation are critical for understanding the underlying mechanism of many hydrological and climate phenomena. Over the last decade, applications…
Preparing the Eclipse Soundscapes Mobile Application for 2023: Applying Lessons Learned from 2017 to Guide Language Cho…
The Eclipse Soundscapes Project originally launched to make the “Great American Eclipse” of 2017 accessible to everyone, with a special focus on users who are blind or have low vi…
Long-Term Environmental Consequences and Fate of the Oil Residues Found along Alabama's Beaches after the Deepwater Hor…
The explosion of the Deepwater Horizon (DWH) oil platform in April 2010 on the Gulf of Mexico (GOM) released more than 700 million liters of crude oil. This catastrophe is the lar…
Meteotsunami Events and Hydrologic Response in an Isolated Wetland: Beaver Island in Lake Michigan, USA
Meteotsunamis are both a well-known and poorly understood phenomenon. In particular, the influence of and disturbance by meteotsunami on coastal wetlands is largely unknown. This …
Flow-field fitting method and acoustic Doppler velocity measurement: a new approach and its application to the detectio…
The paper is to detect the leakage inlets, determine the leakage pathways through the dam, and ensure that the amount of the leakage in the upstream and downstream is consistent, …
A fast bow shock location predictor-estimator from 2D and 3D analytical models: Application to Mars and the MAVEN missi…
We present general empirical analytical equations of bow shock structures historically used at Mars, and show how to estimate automatically the statistical position of the bow sho…
4D-Var inversion of European NH3 emissions using CrIS NH3 measurements and GEOS-Chem adjoint with bi-directional and un…
We conduct the first 4D-Var inversion of NH3 accounting for NH3 bidirectional flux, using CrIS satellite NH3 observations over Europe in 2016. We find posterior NH3 emissions peak…
The global overturning circulation and the importance of non-equilibrium effects in ECCOv4r3
We quantify the volume transport and watermass transformation rates of the global ocean circulation using data from the Estimating the Circulation and Climate of the Ocean version…
Dynamics of pedogenic carbonate growth in the monsoonal tropical domain
Pedogenic carbonate is widespread at mid latitudes where combined warm and dry conditions favor soil carbonate growth from spring to fall. The mechanisms and tempo of pedogenic ca…
Monazite fission-track dating of the Catalina metamorphic core complex, AZ, USA
Monazite fission-track presents itself as a novel, low-temperature thermochronometer with annealing studies placing its closure temperature between ~45 and 25 °C. Previously, mona…
True Gravity in Ocean Circulation
Two related issues in oceanography are addressed: (1) the unit vector (k) normal to the Earth spherical/ellipsoidal surface is not vertical (called deflected-vertical) since the v…
Comparison of the performance of PCA-NN and PCA-MRM models for TEC over the Iberian Peninsula
The total electron content (TEC) over the Iberian Peninsula was modeled using a PCA-based models based on the decomposition of the observed TEC series using the principal componen…
Ion heating in the polar cap under northwards IMF Bz
Joule heating deposits a significant amount of energy into the high-latitude ionosphere and is an important factor in many magnetosphere-ionosphere-thermosphere coupling processes…
Planning of Optimized Irrigation Decision in Weather to Extended Range using Weather Forecast with a Coupled Framework …
Optimization in irrigation scheduling using weather forecast has been proven to achieve better productivity along with reduced irrigation water requirements. We developed a farm-s…
Detecting Precipitation and Aerosol Removal from the African Boundary Layer during ORACLES using Water Vapor Heavy Isot…
The NASA ObseRvations of Aerosols above CLouds and their intEractionS (ORACLES) project provides an extensive data set of aircraft in-situ meteorological, aerosol, and total water…
A 20-year study of melt processes over Larsen C Ice Shelf using a high-resolution regional atmospheric model: Part 1, M…
Following collapses of the neighbouring Larsen A and B ice shelves, Larsen C has become a focus of increased attention. Determining how the prevailing meteorological conditions in…
From Radiogenic Source or Sink? --- Simple and Complex 4He Outgassing Behaviors and Diffusion Systematics Observed Duri…
We performed continuous ramped heating (CRH) on apatites from various tectonic settings and found two major types of 4He outgassing behavior. Apatites with good (U–Th)/He age repr…
Measurements of atmospheric HDO/H2O in southern California from CLARS-FTS
Atmospheric isotopologues of water vapor (e.g., HDO) are important tracers for understanding Earth’s hydrological cycles. Most remote sensing measurements of these isotopologues, …
Mapping Optimized Future Carbon Stock Corridors For Climate and Biodiversity
Given the recent availability of high-resolution data on both current forest carbon stocks and restoration potential, the next geospatial and computational challenge is to utilize…
HF Induced Modifications of the Electron Density Profile in the Earth's Ionosphere Using the Pump Frequencies Near the …
We discuss results on plasma density profile modifications in the F-region ionosphere caused by HF heating with the frequency f 0 in the range [(-150 kHz)-(+75 kHz)] around the 4 …
HIGH-RESOLUTION LUNAR TOPOGRAPHY FROM PHOTOGRAPHIC DATA AND LASER ALTIMETRY
Mapping landforms on the Moon is of great interest and importance for future human settlements and resources exploration. One of the first steps is to map the topography and inves…
Measurements of Settling Velocity with an Acoustic Backscatter Instrument
Multi-frequency acoustic backscatter measurement can be used to observe spatial profiles of suspended sediment. The use of multiple frequencies helps to resolve mean particle size…
A hybrid mechanism for enhanced core-mantle boundary chemical interaction
Detection of chemical signatures from the core-mantle boundary (CMB) could provide an unprecedented glimpse into our planet’s deep interior and ancient past. Several isotopic and …
Grow Wider or Thicker: Variable Response ofWoody Plants to Increasing Dryness
Woody plants vary greatly from tall trees to branching shrubs with increasing dryness. Variations in plant allometry are driven by both biotic and abiotic factors, reflecting diff…
Squeeze the atmosphere into magma: sub-Neptune mass-radius relation revised by atmosphere-magma interactions
The Kepler mission revealed that sub-Neptunes are about as common as stars, which defied our pre-existing notion of planet demographics. The prevailing view for sub-Neptunes was t…
Continental Physical Oceanography and Climatic Effects on Human Lives and Infection Diseases
Title: Continental Physical Oceanography and Climatic Effects on Human Lives and Infection Diseases The author watches mechanism shifts caused by climatic influences and active er…
Variations in wave slope and momentum flux from wave-current interactions in the tropical trade winds
Observations from six Lagrangian Surface Wave Instrument Float with Tracking (SWIFT) drifters in January-February 2020 in the northwestern tropical Atlantic during the Atlantic Tr…
Drier winters drove Cenozoic open habitat expansion in North America
The shift from denser forests to open, grass-dominated vegetation in west-central North America between 26 and 15 million years ago is a major ecological transition with no clear …
Seasonal variability in a warming climate: Lessons from the Pliocene Warm Period and beyond
One of the most worrisome aspects of anthropogenic climate change is its potential to enhance the frequency and severity of extreme weather events and seasonality (van der Wiel et…
Elastic Interaction between a Vortex Dipole and an Axisymmetrical Vortex in Two-Dimensional Flows
We investigate numerically the elastic interaction between a dipole and an axisymmetrical vortex in inviscid isochoric two-dimensional flows satisfying Euler’s vorticity conservat…
A Python-based tool for constructing observables from the DSN's closed-loop archival tracking data files
Radio science data collected from NASA’s Deep Space Networks (DSNs) are made available in various formats through NASA’s Planetary Data System (PDS). The majority of these data ar…
The Ion Temperature Gradient Contribution to the Global Magnetopause Current
Magnetopause diamagnetic currents arise from density and temperature driven pressure gradients across the boundary layer. While theoretically recognized, the temperature contribut…
Roles of the westward propagating waves and the QBO in limiting MJO propagation
A recent study categorized the Madden-Julian Oscillation (MJO) during the boreal winter season into four types including stand, jump, slow eastward propagating, and fast eastward …
Limiting Regimes of a Three-Dimensional Buoyant Hydraulic Fracture Emerging from a Point Source
Buoyant hydraulic fractures occur in nature as magmatic dikes and sills. In industrial applications like well stimulation, the emergence of buoyant fractures is undesirable and of…
Optimization of X-ray Flare Time Profile Parameters for Space Weather Applications
Solar X-ray flares often drive coronal mass ejections and solar energetic particles (SEPs), which are key elements of space weather near the Earth and beyond. Machine learning wit…
Examining shoreface disequilibrium morphodynamics and their influence on shoreline change
The lower shoreface, a transitional subaqueous region extending from the seaward limit of the surf zone to beyond the closure depth, often serves as a sediment sink or source in s…
Long-term Baseline Ozone Changes in the Western US: A Synthesis of Analyses
Quantification of the magnitude and long-term changes of ozone concentrations transported into the US is important for effective air quality policy development. We synthesize mult…
GEOPHYSICAL SUBSOIL CHARACTERIZATION OF A HOUSING UNIT SHAKEN BY THE EARTHQUAKE OF SEPTEMBER 19, 2017 (MW 7.1)
September 19, 2017 earthquake considerably affected the southern area of Mexico City; specically, in the transition zone, some local subsidence problems were accentuated. This sit…
Geostatistical and Spatial Correlation Analysis of Planetary Data
Data collected by space probes and Earth-based observations allow to investigate multiple aspects of planetary bodies in the Solar System. Typical spatial data utilized for geolog…
Improved Prediction of Hydraulic Conductivity with Soil Water Retention Curve that Accounts for Both Capillary and Adso…
Hydraulic conductivity curves (HCCs) are important parameters in land surface modeling. The general way for predicting HCC from soil water retention curve (SWRC) requires an addit…
Muography Applications in Argentina
Muography is an imaging technique using the directional flux of atmospheric muons to indirectly study a suitable object of geophysical or strategic interest. In this work we prese…
Integrating recurrent neural networks with data assimilation for scalable data-driven state estimation
Data assimilation (DA) is integrated with machine learning in order to perform entirely data-driven online state estimation. To achieve this, recurrent neural networks (RNNs) are …
Sub-seasonal forecasting with a large ensemble of deep-learning weather prediction models
We present an ensemble prediction system using a Deep Learning Weather Prediction (DLWP) model that recursively predicts key atmospheric variables with six-hour time resolution. T…
Can Soil Moisture Anomalies Trigger Extreme Precipitation Events over India?
One of the unresolved and debated topics in climatic and atmospheric sciences is whether soil moisture (SM) anomalies can trigger extreme precipitation (P) events? Researchers hav…
Deep Learning for Spatial Interpolation of Rainfall Events
Traditional deterministic and geostatistical methods for rainfall interpolation usually fall short of integration of data on a variety of variables. These omitted variables includ…
Quantifying earthquake source parameter uncertainties associated with local site effects using a dense array
We investigate the influence of local site effects on earthquake source parameter estimates using the LArge-n Seismic Survey in Oklahoma (LASSO). The LASSO array consisted of 1825…
A Theoretical Study of the Tomographic Reconstruction of Magnetosheath X-ray Emissions
We present an initial assessment of using tomography on single-spacecraft images to reconstruct 3D X-ray emissions from the Earth’s magnetosheath. 3D structures in the Earth’s mag…
Quantification of Pacific Plate Hotspot Tracks Since 80 Ma and the Relative Timing of Eocene Plate Tectonic Events
The motion of the Pacific plate relative to Pacific hotspots produces age-progressive chains of volcanoes. New methods of analysis of volcano locations and age dates using a small…
Application of the RAGLAD geolocated landslide dam dataset to explore landslide dam formation
Landslide dams can result in substantial flood hazards caused by dam formation, overtopping, and dam failure. Previous studies have established datasets on a regional or global sc…
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: