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 33551 to 33600 of 59105 works
Urban Near-surface Seismic Monitoring using Distributed Acoustic Sensing
Urban subsurface monitoring requires high temporal-spatial resolution, low maintenance cost, and minimal intrusion to nearby life. Distributed acoustic sensing (DAS), in contrast …
State and dynamics of geosciences and human geography of Mongolia - Extended abstracts of the International Symposium M…
The Mongolia 2000 International Congress will be held at the Freie Universität in Berlin from October 11 to 13, 2000, and will present research results from the last decade of the…
Effects of off-fault inelasticity on near-fault directivity pulses
Near-fault motion is often dominated by long-period, pulse-like particle velocities with fault-normal polarization that, when enhanced by directivity, may strongly excite mid- to …
Plants as sensors: vegetation response to rainfall predicts subsurface water storage capacity in Mediterranean climates
Methods are lacking to characterize critical zone (CZ) structure at spatial scales relevant to earth system and dynamic global vegetation models. This knowledge gap results in poo…
Effects of groundwater pumping on ground surface temperature: A regional modeling study in the North China Plain
Over-exploitation of groundwater (GW) in the North China Plain (NCP) since the 1960s has many environmental consequences. However, understanding of the dominant mechanisms remains…
A grid for multidimensional and multivariate spatial representation and data processing.
Researchers use 2D and 3D spatial models of multivariate data of differing resolutions and formats. It can be challenging to work with multiple datasets, and it is time consuming …
Simulating Electropulse Fracture of Granitic Rock
Electropulse treatments employ a series of high-voltage discharges to break rock into small fragments. As these methods are particularly suited to fracturing hard brittle rocks, e…
Stratigraphic reservoir compartmentalization: causes, recognition, and implications for the geological storage of carbo…
The impact of carbon capture and storage (CCS) in mitigating anthropogenic emissions of greenhouse gases is potentially great, but its success is strongly dependent on identifying…
Cretaceous (Aptian-Maastrichtian) palynology of foraminifera-dated wells (KRM-1, AG-18) in northwestern Egypt
Die kretazische Schichtenfolge (Apt-Maastricht) der Kahraman-1-Bohrung (KRM-1), Nordwest-Ägypten, wird in neun informelle Pollen-und-Sporen-Zonen und in neun Dinoflagellaten-Zonen…
Revised timing of Cenozoic Atlantic incursions and changing hinterland sediment sources during southern Patagonian orog…
New detrital zircon U-Pb geochronology data from the Cenozoic Magallanes-Austral Basin in Argentina and Chile ~51°S establish a revised chronostratigraphy of Paleocene – Miocene f…
Quantitatively deciphering paleostrain from digital outcrops model and its application in the eastern Tian Shan, China
The knowledge of the strain/stress field evolution in time is fundamental to the understanding of the earth dynamic system. Based on the principle that past tectonic stress should…
Methane, Monsoons, and Modulation of Millennial-scale Climate
Earths orbital geometry exerts a profound influence on climate by regulating changes in incoming solar radiation. Superimposed on orbitally-paced climate change, Pleistocene recor…
Centroid moment tensor inversions of offshore earthquakes using a three-dimensional velocity structure model: Slip dist…
Due to complex three-dimensional (3D) heterogeneous structures, conventional one-dimensional (1D) analysis techniques using onshore seismograms can yield incorrect estimation of e…
Polarisationsanalyse refraktionsseismischer Daten vom Vulkan Merapi, Indonesien
Im Rahmen des indonesisch-deutschen Forschungsprojektes MERAPI ist am Hochrisikovulkan Merapi, Java/Indonesien, mittels eines Aktiven Seismischen Experiments (ASE) dessen Untergru…
Simultaneous measurement of aqueous redox sensitive elements and their species across soil-water interface
Soil-water interface (SWI) hosts versatile elements speciation and controls elements cycling in flooded lands. However, the study on the element’s interaction along SWI is limited…
Macrophyte cover type and groundwater as the key drivers of the extremely high organic carbon concentration of soda pans
1. Endorheic soda pans are among the aquatic systems that have the highest dissolved organic carbon (DOC) content on the planet with concentrations reaching values close to 1 g L−…
A.I taking over a global climate mapping platform
Note: this is a post-print of a published manuscript in Jurnal Pendidikan IPA Indonesia with DOI 10.15294/jpii.v5i2.7677. This study focuses on the improvement of prospective teac…
How do pre-existing normal faults influence rift geometry? A comparison of adjacent basins with contrasting underlying …
Recent studies of natural, multiphase rifts suggest that the presence of pre‐existing faults may strongly influence fault growth during later rift phases. These findings compare w…
Deep learning to infer eddy heat fluxes from sea surface height patterns of mesoscale turbulence
Oceans play a major role in Earths climate by storing and transporting heat via turbulent currents called mesoscale eddies. However, direct monitoring of eddy-driven heat fluxes i…
Dynamic modelling of overprinted impermeable fault gouges and surrounding damage zones as lower dimensional interfaces
In the modelling of subsurface fluid flow, faults are dominant features since they can act as fluid pathways or barriers. Special emphasis is therefore placed in representing them…
Ultramafic rock carbonation: Constraints from listvenite core BT1B, Oman Drilling Project
The occurrence of the quartz–carbonate alteration assemblage (listvenite) in ophiolites indicates that ultramafic rock represents an effective sink for dissolved CO2. However, the…
Environmental Impact of Large-Scale Mining in Papua New Guinea: Mining Residue Disposal by the Ok Tedi Copper-Gold Mine
The Ok Tedi copper-gold mine, located in the eastern part of the central mountain range of New Guinea, discharges daily approximately 80,000 tons of ore processing residues and a …
The Fate of Carbon during Earth’s Core–Mantle Differentiation
Carbon is an essential element for the existence and evolution of life on Earth, constitutes up to 50% of dry biomass, and is likely a requirement for all life in the universe. It…
Stable and Radioisotope Systematics Reveal Fossil Water as Fundamental Characteristic of Arid Orogenic-Scale Groundwate…
In arid and semi-arid regions, persistent hydrological imbalances illuminate the considerable gaps in our spatiotemporal understanding of fundamental catchment-scale governing mec…
Coherent streamflow variability in Monsoon Asia over the past eight centuries---links to oceanic drivers
The Monsoon Asia region is home to ten of the world’s biggest rivers, supporting the lives of 1.7 billion people who rely on streamflow for water, energy, and food. Yet, a synopti…
Logarithmic growth of dikes from a depressurizing magma chamber
Dike propagation is an intrinsically multiphase problem, where deformation and fluid flow are intricately coupled in a fracture process. Here we perform the first fully-coupled si…
Directionality of ambient noise in the Mississippi embayment
Cross-correlations of ambient seismic noise from 277 broadband stations within the Mississippi embayment (ME) with at least 1-month of recording time between 1990 and 2018 are use…
Sedimentological and geochemical studies of the Tisje, Yesomma successions (Cretaceous, tertiary of Somalia) and their …
Von der Kreide bis ins Paläogen war Nord-Somalia von zwei transgressiven und regressiven Hauptzyklen betroffen. Während der transgressiven Periode (untere Sequenz der Tisje-Format…
Three-scale multiphysics finite element framework (FE3) modelling fault reactivation
Fluid injection or production in petroleum reservoirs affects the reservoir stresses such that it can even sometime reactivate dormant faults in the vicinity. In the particular ca…
Low-cost electronic sensors for environmental research: pitfalls and opportunities
Repeat observations underpin our understanding of environmental processes but financial constraints often limit scientists’ ability to deploy dense networks of conventional commer…
Ancient subducted oceans controlling the positioning of deep mantle plumes
Seismic imaging of the Earths interior reveals plumes originating from relatively hot regions of the lower mantle, surrounded by cooler material thought to be remnants of ancient …
Logjams are not jammed: measurements of log motions in Big Creek, Idaho
Colloquially, a "logjam" indicates a kinematic arrest of movement. Taken literally, it refers to a type of dense accumulation of wood in rivers widely recognized as bestowing nume…
A note on the instability and pattern formation of shrinkage cracks in viscoplastic soils
In this note we present a theoretical study on the conditions for the onset of cracks, as well as the corresponding pattern formation, in saturated viscoplastic soils under isotro…
Pore network model predictions of Darcy-scale multiphase flow heterogeneity validated by experiments
Small-scale heterogeneities in multiphase flow properties fundamentally control the flow of fluids from very small to very large scales in geologic systems. Inability to character…
Growth, overprinting, and stabilization of Proterozoic Provinces in the southern Lake Superior region
New geochronologic data in the southern Lake Superior region provide key information on the timing and nature of tectonic activity that pre-and post-date initial Paleoproterozoic …
Nowcasting submarine slope instability at local, margin, and global scales using machine learning
Submarine slope instability (SSI) is a broad term for events ranging from 100 km3 instantaneous open slope failures on continental margins to 0.001 km3 creeping mudflows on heavil…
Chemical versus mechanical denudation in meta-clastic and carbonate bedrock catchments on Crete, Greece, and mechanisms…
On Crete — as is common elsewhere in the Mediterranean — carbonate massifs form high mountain ranges whereas topography is lower in areas with meta-clastic rocks. This observation…
On the statistical significance of foreshock sequences in Southern California
Earthquake foreshocks may provide information that is critical to short-term earthquake forecasting. However, foreshocks are far from ubiquitously observed, which makes the interp…
Equifinality, Sloppiness, and emergent model structures of mechanistic soil biogeochemical models
Biogeochemical models increasingly consider the microbial control of car- bon cycling in soil. The major current challenge is to validate mechanistic descriptions of microbial pro…
The global lake area, climate, and population dataset
An increasing population in conjunction with a changing climate necessitates a detailed understanding of water abundance at multiple spatial and temporal scales. Remote sensing ha…
Gulf Stream and Kuroshio Current are synchronized
Observational records show that sea surface temperatures along the Gulf Stream and Kuroshio tend to synchronize at decadal time scales. This synchronization, which we refer to as …
Neogene-Recent Reactivation of Jurassic-age Faults in Southern Vietnam, with Implications for the Extrusion of Indochina
Onshore Vietnam contains a complex series of faults coupled with a diffuse igneous province that has been active since the mid-Miocene. However, there are several conflicting faul…
Detection and temperature estimation of gas flares with nocturnal Landsat OLI
Natural gas flaring is a worldwide polluting activity carried out during oil production. Satellite imagery has emerged as a low-cost, objective tool to measure and monitor gas fla…
Der Arcas-Fächer und sein Erosionsgebiet in Nordchile - Bilanz einer exogenen Massenverlagerung
Alluviale Fächer sind Sedimentkörper, die bevorzugt an der Peripherie arider Gebirgsregionen entstehen. Sie grenzen meist unmittelbar an ein aktives Erosionsgebiet. Oft bilden all…
The variation and visualisation of elastic anisotropy in rock-forming minerals
All minerals behave elastically, a rheological property that controls their ability to support stress, strain and pressure, the nature of acoustic wave propagation and influences …
A unique bacteriohopanetetrol stereoisomer of marine anammox
Anaerobic ammonium oxidation (anammox) is a significant process for bioavailable nitrogen removal from marine systems. A bacteriohopanetetrol (BHT) isomer, with unknown stereochem…
The Earthquake Arrest Zone
Earthquake ruptures are generally considered to be cracks that propagate as fracture or frictional slip on preexisting faults. Crack models have been used to describe the spatial …
Pre-deliquescent water uptake in deposited nanoparticles observed with in situ ambient pressure X-ray photoelectron spe…
In this work we study the adsorption, or uptake, of water onto deposited inorganic sodium chloride and organic malonic acid and sucrose nanoparticles at low relative humidities fr…
Deep Unsupervised 4D Seismic 3D Time-Shift Estimation with Convolutional Neural Networks
We present a novel 3D warping technique for the estimation of 4D seismic time-shift. This unsupervised method provides a diffeomorphic 3D time shift field that includes uncertaint…
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: