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.
ess-open-archive)
Showing 12851 to 12900 of 22070 works
Utilizing Interdisciplinary Strategies for Next Generation Ecosystem Experiments Tropics Data Organization
Quality metadata and data are critical to advancing science and preserving data for long-term use. The Next Generation Ecosystem Experiments (NGEE) Tropics project funded by the U…
Seasonal Observations of Atmospheric Volatile Organic and Sulfide Compounds near a Pulp Paper Mill in North-Central Ida…
Air composition of the Lewis-Clark Valley (LCV) was studied over a two-year period to investigate the effects of a local pulp paper mill on ambient air and to assess potential hea…
Pipeline oil fire detection with MODIS active fire products
We investigate 85 129 MODIS satellite active fire events from 2007 to 2015 in the Niger Delta of Nigeria. The region is the oil base for Nigerian economy and the hub of oil explor…
Sustainable Research on World Potassium Resource Trade Based on Complex Network Theory
As a national strategic resource, trade activities of potassium resources（K） have changed its state of ownership. Futures and spot trading forms in the international market are ma…
Assessment of Surface Exchange Coefficients in the Noah-MP Land Surface Model for Different Land Cover Types over China
The parameterization of surface exchange coefficients (Ch) representing land–atmosphere coupling strength plays a key role in land surface modeling. Previous studies have found th…
Shifts in the mean and extreme precipitation at the end-of-century in the South American Monsoon as projected by the CE…
Similar to many areas of the globe, South America is under a monsoon regime. The Amazon rain-forest is one of the regions critical for this regime, known as the South American Mon…
Research on influencing factors and compensation methods of the azimuth cutoffwavelength based on multiview synthetic a…
Due to the nonlinear effect of velocity bunching modulation, azimuth cutoff occurs when waves are propagating along the azimuth direction. This is an inherent disadvantage of synt…
Upper and lower plane bed revisited
This study proposes a new definition of plane bed regimes. The upper plane bed is defined as a flat bedform that appears under conditions of active suspended load, whereas the low…
Flexure of the lithosphere beneath the north polar cap of Mars, with implication for ice compositions and heat flow
The geodynamical response of the lithosphere under stresses imposed by the geologically young north polar cap is one of the few clues we have to constrain both its composition and…
An Industry-Academic Collaboration to Develop a Geology Field Trip to Improve Students' Learning Experience
Geotechnical engineering and geology faculty at Drexel and Villanova Universities and a graduate teaching assistant collaborated with an environmental hydrogeologist from a local …
On the Motion of the Heliospheric Magnetic Structure through the Solar Wind Plasma
A reference frame in the solar wind can often be found wherein the flow vector is everywhere approximately parallel to the magnetic-field vector . This is the frame of the heliosp…
Characterizing Martian Crater Circulations with the NASA Ames Mars GCM
Observations made in Gale Crater by instruments on the MSL Curiosity Rover show that the diurnal amplitude of the surface pressure is increased and the depth of the Convective Bou…
Li-rich Claystone in the McDermitt Caldera, Nevada: Characteristics and Possible Origin
The Lithium Nevada Corp. Thacker Pass Project has a measured resource of 242M tonnes at 0.29% Li (~0.7M tonnes Li). The deposit is the southernmost of five known lenses hosted wit…
Investigation of gravity-driven infiltration instabilities in smooth and rough fractures using a massively parallel smo…
This work investigates small-scale infiltration dynamics in smooth and rough single fractures using a three-dimensional multiphase pairwise-force smoothed particle hydrodynamics (…
Relationships between olivine LPO and deformation parameters in naturally deformed rocks and implications for mantle se…
We analyze peridotites from a wide range of tectonic settings to investigate relationships between olivine lattice preferred orientation (LPO) and deformation conditions in natura…
Examining the Effectiveness of Commercial RFID Tags as Soil Moisture Sensors
Currently available soil volumetric water content (VWC) sensors have several drawbacks that pose certain challenges for implementation on large scale for farms. Such issues includ…
Retrieving Fire Perimeters and Ignition Points of Large Wildfires from Satellite Observations
We present a new statistical interpolation method to estimate fire perimeters from Active Fires detection data from satellite-based sensors, such as MODIS, VIIRS, and GOES-16. Act…
Quantifying Parameter Uncertainty in a Glacier Evolution Model of High Mountain Asia with a Markov Chain Monte Carlo Me…
Modeling future glacier changes on regional or global scales is challenging due to a scarcity of data for calibrating model parameters. This makes it difficult to derive accurate …
Classification of Arctic Sea Ice Surface Types During the Melt Season in High-Resolution IceBridge Imagery
Melt ponds play an important role in the seasonal evolution of Arctic sea ice. During the melt season, snow atop the sea ice begins to metamorphose and melt, forming ponds on the …
The Complex Space Weather Events of September 2017
The complex magnetospheric and ionospheric events during September 2017 are studied. There were 4 X-class, 27 M-class and numerous C-class flares related to ~68 coronal mass eject…
Shared Chronologies: developing tools to improve age–depth modeling by incorporating common event layers among several …
Sedimentary records provide an invaluable background for understanding of complex phenomena that vary within multiple spatio--temporal scales, such as climate and the seismic cycl…
Ionospheric-equivalent slab-thickness and peak height at the F2 region of equatorial latitude over West Africa.
At the equatorial latitude of a West African station (8.50N, 4.68E), we have examined the slab-thickness (τ) relative to peak electron density height (hmF2) at F2 layer, employing…
An Up-to-date Daily Water Temperature Climatology for US Coastal Bays, Harbors, and Estuaries: 1993-2017
In 1988, the Center for Operational Oceanographic Products and Services (CO-OPS), an office of NOAA’s National Ocean Service, began to record continuous 6-minute water temperature…
Passive margins evolved from a confined orogen: comparison of both sides of the South Atlantic (D.R. Congo - east Brazi…
The evolution and denudation histories of passive margins around the world has been subject to many studies involving thermochronology over the last thirty years. This, mostly wit…
Development and Evaluation of a RANS-based CFD solve in WindNinja
WindNinja is a high-resolution diagnostic wind model developed for use by operational wildland fire management. The original version of WindNinja employed a numerical solver to en…
Sensitivity of metabolic constraints for marine organisms to emission scenarios
Marine ecosystem is influenced by multiple factors under the global warming. Increasing temperature raises the matabolic demand for oxygen, however, its supply declines as the con…
A water saving approach by using the light effect on tomato plants grown in a controlled environment
The agriculture sector consumes more than two-thirds of world’s limited freshwater resources. However, only a small part of the water (less than 5%) that is taken up by roots is u…
Sensitivity Analysis to Uncertain Parameters of Topmodel in Tropical Regions with Application to the Middle Magdalena V…
Management of uncertainty in hydrologic modeling is related to our ability to (a) select appropriate values for model parameters and (b) assess the extent to which their variation…
Estimation of the IC to CG Ratio Using JEM-GLIMS and Ground-basedLightning Network Data
The occurrence ratio of intracloud (IC) to cloud-to-ground (CG) discharges, which is denoted by -ratio, is the crucial parameter for the studies on the climatological differences …
Quantifying the influence of volcanic forcing on water isotopes and climate in polar and alpine regions using HadCM3
The frequency of extreme weather events depends relatively more on climate variability than on average changes. This makes variability a crucial element to consider in future proj…
Thrusting, exhumation and basin fill on the western margin of the South China block during India-Asian collision
The pattern and timing of deformation in the southeast Tibet resulting from the India-Asian collision remain poorly constrained. Detailed field mapping, structural analysis and ge…
Arc segmentation and landscape evolution in the Bhutan Himalaya: Insights from integrated thermochronometry, cosmogenic…
The principal structural elements of the Himalayan arc can be traced more or less continuously for nearly 2500 km. It is therefore understandable that along-strike variations in s…
Regional patterns of hydroclimate variability in southeastern Australia over the past 1200 years
Long, continuous palaeoclimate records provide an opportunity to extend knowledge of decadal to multi-decadal scale climate variability beyond the limit of instrumental records. I…
Balancing accuracy, efficiency, and flexibility in radiation calculations for dynamical models
This paper describes the initial implementation of a new toolbox that seeks to balance accuracy, efficiency, and flexibility in radiation calculations for dynamical models. The to…
GNSS-Acoustic Observation Using the Wave Glider to Detect the Seafloor Crustal Deformation Associated with the Temporal…
Recently, Uchida et al. [2016, Science] revealed the periodic changes in the interplate locking in the northeast Japan subduction zone based on the activity of small repeating ear…
Big Data Analytics to Enable Integrated Research of Biodiversity and Climate Datasets in the Amazon Basin
With the mass adoption of data analysis in several scientific fields such as climatology, medicine, astronomy and astrophysics, the availability of an appropriate analytics infras…
Mitigating the ill-posedness of first-arrival traveltime tomography using slopes: application to crustal imaging from O…
First-arrival traveltime tomography (FATT) has been one of the commanding tomographic approaches for long wavelength velocity model building. Nowadays, FATT models are often used …
Introducing icepyx, an open source Python library for obtaining and working with ICESat-2 data
Within a year of its launch date, the ATLAS altimeter on board ICESat-2 is already providing a wealth of critical data of interest across and beyond the cryospheric sciences. With…
Three-Dimensional Structural Interpretation and Analysis of Spatial and Temporal Accretionary Wedge and Decollement Evo…
This study provides a new, detailed, and fully three-dimensional structural interpretation of the active convergent plate boundary beneath the outer Nankai accretionary wedge offs…
Extreme precipitation events over southern India during the year 2015- Curious interactions of El Nino, MJO, and associ…
The cause of extreme precipitation events, which deadly flooded Tamil Nadu state of southern India during the northeast monsoon season of 2015 was investigated, and the results we…
Forearc basin stratigraphy resulting from syntectonic sedimentation during accretionary wedge growth: Insights from san…
Forearc basin stratigraphy is expected to record a detailed history of the deformation and growth pattern of an accretionary wedge. However, the relationship between syntectonic b…
Revealing the Real Onshore Potential: A Socio-Technical Wind Atlas for the U.S.
For the first time, we have developed a wind atlas to determine the onshore wind power potential of each U.S. state. Previously, Geographical Information System (GIS)-based wind a…
A Wave Model and Diffusion Coefficients for Plasmaspheric Hiss Parameterized by Plasmapause Location
The scattering of electrons via plasmaspheric hiss whistler-mode plasma waves has profound consequences for the dynamics of electrons in the inner terrestrial magnetosphere, inclu…
Convolutional event embeddings for fast probabilistic earthquake assessment
Recent research showed that machine learning, in particular deep learning, can be applied with great success to a multitude of seismological tasks, e.g. phase picking and earthqua…
Estimating Hydrological Connectivity in Coastal Wetlands using UAVSAR and Numerical Modeling
In response to a growing number of natural and anthropogenic threats, the long-term sustainability of coastal river deltas and wetlands has come into question worldwide. Tools suc…
Diurnal Dynamics of Solar-induced Chlorophyll Fluorescence and Photosynthesis in a Maize Canopy
Solar-induced chlorophyll fluorescence (SIF) offers a promising method to remotely monitor photosynthesis at the canopy and regional scale. However, in order to interpret satellit…
Surging Waters: Science Empowering Communities in the Face of flooding
From devastating monsoons to sea level rise, extreme weather is taking its toll across the globe. Surging Waters looks at flooding in the United States and demonstrates how scienc…
Space-based Remote Sensing Strategies for Tomographic Estimation of Exospheric Hydrogen Density
It has been four decades since Apollo 16 returned the first wide-field UV imagery of the Earth and revealed the vast extent of exospheric hydrogen (H) atoms around the planet. Sin…
Subduction of trench-fill sediments beneath an accretionary wedge: insights from sandbox analogue experiments
Ancient exhumed accretionary complexes are sometimes associated with high-pressure–low-temperature (HP–LT) metamorphic rocks, such as psammitic schists, which are derived from san…
Mineralization of organic matter in boreal lake sediments: Rates, pathways and nature of the fermenting substrates
The complexity of organic matter (OM) degradation mechanisms represents a significant challenge for developing biogeochemical models to quantify the role of aquatic sediments in t…
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: