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 36851 to 36900 of 59105 works
A complete glacier inventory of the Antarctic Peninsula based on Landsat 7 images from 2000 to 2002 and other preexisti…
Abstract. The glaciers on the Antarctic Peninsula (AP) potentially make a large contribution to sea level rise. However, this contribution has been difficult to estimate since no …
Large synthesis of in situ field measurements of the size distribution of mineral dust aerosols across their life cycles
Abstract. Mineral dust aerosol is important in the Earth system, and the correct representation of its size distribution is fundamental for shaping the current state and evolution…
Ensemble Kalman, Adaptive Gaussian Mixture, and Particle Flow Filters for Optimized Earthquake Forecasting
Probabilistic forecasts are regarded as the highest achievable goal when predicting earthquakes, but limited information on stress, strength, and governing parameters of the seism…
Spatial radionuclide deposition data from the 60 km radial area around the Chernobyl Nuclear Power Plant: results from …
Abstract. The data set “Spatial radionuclide deposition data from the 60 radial km area around the Chernobyl nuclear power plant: results from a sampling survey in 1987” is the la…
Gross and net land cover changes in the main plant functional types derived from the annual ESA CCI land cover maps (19…
Abstract. Land-use and land-cover change (LULCC) impacts local energy and water balance and contributes on global scale to a net carbon emission to the atmosphere. The newly relea…
Pollen-based reconstruction of spatially-explicit vegetation cover over the Tibetan Plateau since the last deglaciation
Abstract. Spatiotemporally contiguous paleo-vegetation reconstructions are essential for studying climate-vegetation interactions, providing critical data for paleoclimate modelin…
Features of Italian large dams and their upstream catchments
Abstract. In Italy, a complete and updated database including the most relevant structural information regarding reservoirs and characteristics of their upstream watersheds is cur…
A 10-year global monthly averaged terrestrial net ecosystem exchange dataset inferred from the ACOS GOSAT v9 XCO …
Abstract. A global gridded net ecosystem exchange (NEE) of CO2 dataset is vital in global and regional carbon cycle studies. Top-down atmospheric inversion is one of the major met…
Permafrost temperature baseline at 15 m depth on the Qinghai–Tibetan Plateau (2010–2019)
Abstract. Ground temperature at a fixed depth is a crucial boundary condition for understanding the properties of deep permafrost. However, the commonly used mean annual ground te…
The Sub-Polar Gyre Index – a community data set for application in fisheries and environment research
Abstract. Scientific interest in the sub-polar gyre of the North Atlantic Ocean has increased in recent years. The sub-polar gyre has contracted and weakened, and changes in circu…
Annual global grided livestock mapping from 1961 to 2021
Abstract. Understanding global livestock dynamics is essential for global food security, public health, socio-economic and sustainable development. This study developed an automat…
A new merged dataset for analyzing clouds, precipitation and atmospheric parameters based on ERA5 reanalysis data and t…
Abstract. Clouds and precipitation have vital roles in the global hydrological cycle and the radiation budget of the atmosphere–Earth system and are closely related to both the re…
TephraKam: geochemical database of glass compositions in tephra and welded tuffs from the Kamchatka volcanic arc (north…
Abstract. Tephra layers produced by volcanic eruptions are widely used for correlation and dating of various deposits and landforms, for synchronization of disparate paleoenvironm…
The Boreal–Arctic Wetland and Lake Dataset (BAWLD)
Abstract. Methane emissions from boreal and arctic wetlands, lakes, and rivers are expected to increase in response to warming and associated permafrost thaw. However, the lack of…
A comprehensive in situ and remote sensing data set from the Arctic CLoud Observations Using airborne measurements duri…
Abstract. The Arctic CLoud Observations Using airborne measurements during polar Day (ACLOUD) campaign was carried out north-west of Svalbard (Norway) between 23 May and 6 June 20…
Mitigating marine plastic debris in Hong Kong: an action plan
The impact of marine debris ranges from ecological and social to economic, including ingestion by wildlife, loss of tourist potential and high costs of clean-ups and reallocation …
SM2RAIN-CCI: a new global long-term rainfall data set derived from ESA CCI soil moisture
Abstract. Accurate and long-term rainfall estimates are the main inputs for several applications, from crop modeling to climate analysis. In this study, we present a new rainfall …
Measurements of nearshore ocean-surface kinematics through coherent arrays of free-drifting buoys
Abstract. Surface gravity wave breaking occurs along coastlines in complex spatial and temporal patterns that significantly impact erosion, scalar transport, and flooding. Numeric…
The PAZ polarimetric radio occultation research dataset for scientific applications
Abstract. Polarimetric radio occultations (PROs) represent an augmentation of the standard radio occultation (RO) technique that provides precipitation and cloud vertical informat…
Continuous national gross domestic product (GDP) time series for 195 countries: past observations (1850–2005) harmonize…
Abstract. Gross domestic product (GDP) represents a widely used metric to compare economic development across time and space. GDP estimates have been routinely assembled only sinc…
Observations of late-winter marine microbial activity in an ice-covered fjord, west Greenland
Abstract. Direct observations of marine microbial metabolism are sparse in the Arctic, particularly under sea ice during winter. This paper presents the first observations of Arct…
Global 500 m seamless dataset (2000–2022) of land surface reflectance generated from MODIS products
Abstract. The Moderate Resolution Imaging Spectroradiometer (MODIS) is widely utilized for retrieving land surface reflectance to reflect plant conditions, detect ecosystem phenol…
The State of Hydroinformatics Prior to Generative AI: Establishing a Quantitative Baseline (2018–2023)
The rapid advancement of web applications and machine learning has fundamentally reshaped hydrogeological sciences. While the recent emergence of Large Language Models (LLMs) domi…
Atlantic CFC data in CARINA
Abstract. Water column data of carbon and carbon-relevant parameters have been collected and merged into a new database called CARINA (CARbon IN the Atlantic). In order to provide…
Sea ice in the Baltic Sea – revisiting BASIS ice, a historical data set covering the period 1960/1961–1978/1979
Abstract. The Baltic Sea is a seasonally ice-covered, marginal sea in central northern Europe. It is an essential waterway connecting highly industrialised countries. Because ship…
Deepwater red shrimp fishery in the eastern–central Mediterranean Sea: AIS-observed monthly fishing effort and frequenc…
Abstract. Deep-sea fishery in the Mediterranean Sea was historically driven by the commercial profitability of deepwater red shrimp (DWRS), and understanding spatiotemporal dynami…
Intercomparisons, error assessments, and technical information on historical upper-air measurements
Abstract. Upper-air data form the backbone of weather analysis and reanalysis products, particularly in the pre-satellite era. However, they are particularly prone to errors and u…
Dheed: an ERA5 based global database of compound dry and hot extreme events from 1950 to 2023
Abstract. The intensification of climate extremes is one of the most immediate effects of global climate change. Heatwaves and droughts have uneven impacts on ecosystems that can …
The Italian contribution to the Synoptic Arctic Survey programme: the 2021 CASSANDRA cruise (LB21) through the Greenlan…
Abstract. In September 2021, as part of the Italian Arctic research programme, a multidisciplinary cruise along the 75th parallel north through the Greenland Sea Gyre was conducte…
MDG625: a daily high-resolution meteorological dataset derived by a geopotential-guided attention network in Asia (19…
Abstract. The long-term and reliable meteorological reanalysis dataset with high spatial–temporal resolution is crucial for various hydrological and meteorological applications, e…
Atmospheric and ocean CO <sub>2</sub> measurements in the South Indian Ocean ma…
Abstract. During the second half of 2022 and the first several months on 2023, a pair of Uncrewed Surface Vehicles (USVs) collected high-resolution (∼ 5 km sampling) measurements …
Linking petrographic and geochemical indicators of melt reactions in pelitic migmatites and leucogranites
Anatexis in orogenic systems has wide-reaching implications for the structure, mechanical strength, and later exhumation of the middle crust during orogeny. Previous studies of me…
Satellite-based near-real-time global daily terrestrial evapotranspiration estimates
Abstract. Accurate and timely global evapotranspiration (ET) data are crucial for agriculture, water resource management, and drought forecasting. Although numerous satellite-base…
Arctic sea surface height maps from multi-altimeter combination
Abstract. We present a new Arctic sea level anomaly dataset based on the combination of three altimeter missions using an optimal interpolation scheme. Measurements from SARAL/Alt…
IWIN: the Isfjorden Weather Information Network
Abstract. In an effort led by the University Centre in Svalbard (UNIS), with support from the Norwegian Meteorological Institute (MET Norway), the Isfjorden Weather Information Ne…
Hydrography and biogeochemistry dedicated to the Mediterranean BGC-Argo network during a cruise with RV …
Abstract. We report on data from an oceanographic cruise, covering western, central and eastern parts of the Mediterranean Sea, on the French research vessel Tethys 2 in May 2015.…
Assessment of RCA4, CORDEX Africa domains RCMs Performance in Simulating Rainfall and Temperature: A case of Gilgal Gib…
Examining the spatiotemporal dynamics of meteorological variables in the context of changing climate, particularly in countries where rainfed agriculture, and hydropower project a…
The COSMUS expedition: seafloor images and acoustic bathymetric data from the PS124 expedition to the southern Weddell …
Abstract. Between 3 February and 30 March 2021 the research icebreaker RV Polarstern conducted an extensive multidisciplinary research expedition across the southern Weddell Sea, …
Shallow-groundwater-level time series and a groundwater chemistry survey from a boreal headwater catchment, Krycklan, S…
Abstract. Shallow groundwater can respond quickly to precipitation and is the main contributor to streamflow in most catchments in humid, temperate climates. Therefore, it is impo…
A compilation of surface inherent optical properties and phytoplankton pigment concentrations from the Atlantic Meridio…
Abstract. In situ measurements of particulate inherent optical properties (IOPs) – absorption (ap(λ)), scattering (bp(λ)), and beam attenuation (cp(λ)) – are crucial for the devel…
Flood simulation with the RiverCure approach: the open dataset of the 2016 Águeda flood event
Abstract. Floods are among the most common natural disasters responsible for severe damages and human losses. Numerically produced data, managed by user-friendly tools for geograp…
Carbon fluxes from land 2000–2020: bringing clarity to countries' reporting
Abstract. Despite an increasing attention on the role of land in meeting countries' climate pledges under the Paris Agreement, the range of estimates of carbon fluxes from land us…
UEx-L-Eddies: decadal and global long-lived mesoscale eddy trajectories with coincident air–sea CO …
Abstract. Mesoscale eddies are prevalent features within the global ocean that modify the physical, chemical and biological properties as they move and evolve. These modifications…
Dams in the Mekong: a comprehensive database, spatiotemporal distribution, and hydropower potentials
Abstract. Dams have proliferated along the Mekong, spurred by energy demands from economic development and capital from private companies. Swift dam evolution has rendered many da…
STUDY OF THERMOLUMINESCENCE CHARACTERISTICS OF QUARTZ FOR HIGH RADIATION DOSES (>1KGY): IMPLICATIONS FOR EXTENDING THE…
Quartz is an omnipresent abundant natural mineral, used for luminescence dating. Lately, quartz optically stimulated luminescence (OSL) technique is widely used to estimate the eq…
Vectorized dataset of roadside noise barriers in China using street view imagery
Abstract. Roadside noise barriers (RNBs) are important urban infrastructures to ensure that cities remain liveable. However, the absence of accurate and large-scale geospatial dat…
SCDNA: a serially complete precipitation and temperature dataset for North America from 1979 to 2018
Abstract. Station-based serially complete datasets (SCDs) of precipitation and temperature observations are important for hydrometeorological studies. Motivated by the lack of ser…
Tropical cyclones vertical structure from GNSS radio occultation: an archive covering the period 2001–2018
Abstract. Tropical cyclones (TC) are natural destructive phenomena, which affect wide tropical and subtropical areas every year. Although the correct prediction of their tracks an…
A 100 m gridded population dataset of China's seventh census using ensemble learning and big geospatial data
Abstract. China has undergone rapid urbanization and internal migration in the past few years, and its up-to-date gridded population datasets are essential for various application…
Indicators of Global Climate Change 2024: annual update of key indicators of the state of the climate system and human …
Abstract. In a rapidly changing climate, evidence-based decision-making benefits from up-to-date and timely information. Here we compile monitoring datasets (published at https://…
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: