Categories - Climate Change
Sub Categories
- Integrated Assessment and Climate Policy - 21 projects
- Earth and Climate Modeling - 60 projects
- Climate Data Access and Visualization - 48 projects
- Climate Data Standards - 13 projects
- Climate Data Processing and Analysis - 69 projects
- Natural Hazard and Storm - 53 projects
- Climate Downscaling - 13 projects
Topics
flood, cmip6, e3sm, integrated-assessment, xclim, esgf, cmip, hazard-assessment, cesm, inundation, integrated-assessment-model, hazard, climate-data-analysis, tropical-cyclone, chirps, climate-datasets, ncar, hurricane, neuralgcm, kml, climate-forecasting, s2s, national-water-center, human-earth-system, floods, gcam, coupled-human-natural-systems, cf-conventions, agricultura, meteorologia, national-climate-database, zealand, climate-stations, esmf, imerg, cmip5, esi, emodis, disaster, icclim, climateserv, climate-indices, china, sea-levels, carbon-dioxide-data, gcam-china, warming-stripes, global-data, h5py, pca, clm, ecosystem, eof-analysis, dimensionality-reduction, unstructured-grids, ugrid, gdas, jedi, gefs, daily-weather, daily-data, ecmwf-services, cds, sea-ice-thickness, scicomm, soil-plant-atmosphere, sif, fluorescence, landslide, debrisflow, xgcm, cmip6-data, timeseries-format, scenario-data, macro-energy, integrated-assessment-scenarios, delta-method, xcdat, pcmdi, climate-sciences, climate-research, cdat, model-validation, forecast-evaluation, contingency-table, gdpcir, climate-impacts, data-catalog, cesm-lens, s2d, oceanic-nino, weather-information, ncei, ncdc, historical-weather, gsod, um, pp, cfunits, cfdm, cf, world3, anuclim, return-period, kostra, intensity-duration-frequency, heavy-rain, dwa-a-531, dwa, duration-steps, duration, design-rainfall, norwegian, forecast-api, large-language-models, climate-services, climate-assessments, ai-for-climate, med-team, ndimensional-arrays, compressed, spaceweather, iris, vulnerability, reinsurance, loss, insurance, catastrophe-modelling, catastrophe-model, gfdl, fms, unidata-netcdf, aemet, psha, openquake-engine, openquake, cluster, national-water-model, hand, tiros, radiometric, metop, lac, gac, avhrr, inasafe, disasterresponse, parameters, ecco, noresm, netcdf-library, netcdf-fortran, xarray-accessor, archiving, earthkit, gpm-imerg, mtclim, ornl-daac, hector-model, hut23-1077, netcdf-files, multiple-threads, strategic-planning, demographics, colombia, matlab-toolbox, ropenspain, delta-change-method, cdf, bias-adjustment, tensorflow2, sckit-learn, ensemble-machine-learning, geoinformatics, logon, weather-conditions, tropical-cyclone-variability, potential-intensity, hurricanes, hurricane-calculations, gridded-climate-data, aoi, pollen-measurements, erosion-process, nuopc, model-coupling, esmx, earth-system-modelling, earth-system-modeling-framework, cansips, cangrd, ahccd, climate-simulations, climate-indicators, calculation-climate, variance-scaling, quantile-mapping, quantile-delta-mapping, linear-scaling, detrended-quantile-mapping, phenology-data, ogd, lisvap, lisflood, glofas, efas, storms, performance-diagram, mrms, hail, cloud-optimized, servirglobal, servir, ndvi, bom, australia-bureau-of-meteorology, smap, tropical-storms, cyclones-behaviour, rating-curve, hec-ras, floodplain, predictive-analytics, multimodel-ensemble, mpi4py, projection, conflict, near-real-time, warming-levels, ipcc-regions, climate4r, climate-change-atlas, flood-risk-models, compaction, basin-modeling, climate-policy, urban-climate-model, kokkos, cxx, magicc-model, disaster-risk-management, tsunami, surge, storm, adaptive, flood-monitoring, dem, mpas-analysis, diurnal-temperature, iamc-format, hadcrut5, transcription, digitization, data-rescue, archives, regrid, netcdf-operators, nco, hdf, gsl, sedimentation, sediment-transport, paleogeography, paleoclimate, lithology, landscape-evolution-model, cru-cl2, cru, prepare, cmor3, tropical, cyclones, adcirc, ogc, indices, model-diagnostics, cyclone, roms, regional, regcm, coupled, rstats-package, mpas, hector, satellite-imagery-analysis, landsat-data, geodata, sr15, pathway-analysis, apache-beam, ohio-state-university, oceans, fever, byrd, flood-inundation-maps, solar-radiation, relative-humidity, frost, elevation,
Projects
Contributors
dmpantiu [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Access and Visualization
Topics:
ai-for-climate, climate-assessments, climate-data, climate-services, large-language-models
Gerhard Theurich [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Earth and Climate Modeling
Topics:
earth-system-model, earth-system-modeling, earth-system-modeling-framework, earth-system-modelling, esmf, esmx, model-coupling, numerical-weather-prediction, nuopc, nwp and 1 more
Anna Shlyaeva [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Earth and Climate Modeling
Topics:
gdas, gefs, gfs, jedi, s2s, ufs
Will Krantz [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Processing and Analysis
Topics:
yannplanton [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Processing and Analysis
Topics:
Marc White [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Access and Visualization
Topics:
med-team, model-evaluation
Dennis Heimbigner [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
unidata, unidata-netcdf
Järvi, Leena J [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Earth and Climate Modeling
Topics:
land-surface-model, urban-analytics, urban-climate-model, land-surface-modeling, suews
Lewis Blunn [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Earth and Climate Modeling
Topics:
land-surface-model, urban-analytics, urban-climate-model
zhenkunl [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Earth and Climate Modeling
Topics:
land-surface-model, urban-analytics, urban-climate-model, suews, wrf, land-surface-modeling
Vitor Lavor [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Earth and Climate Modeling
Topics:
land-surface-model, urban-analytics, urban-climate-model
pjay-PC\pjay [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Earth and Climate Modeling
Topics:
land-surface-model, urban-analytics, urban-climate-model, land-surface-modeling, suews
matthew [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Earth and Climate Modeling
Topics:
land-surface-model, urban-analytics, urban-climate-model
Graziano Giuliani [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Earth and Climate Modeling
Topics:
climate-model, regional-climate-model
jd-otero [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Access and Visualization
Topics:
colombia, decision-support, demographics, epiverse, outbreak-analysis, spatio-temporal-analysis, vector-borne-diseases, climate, data-package
RichardScottOZ [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Earth and Climate Modeling
Topics:
3d-models, dxf, geoscience, conversion, geoh5, geophysics, geosoft, grid, data-quality, geochemistry and 53 more
Maciej Ziarkowski [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Natural Hazard and Storm
Topics:
design-systems, ember, storybook, ui-components, csv, data-cleaning, data-cleansing, data-forge, data-management, data-manipulation and 7 more
jihyeon Jeong [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Natural Hazard and Storm
Topics:
Werner von Bloh [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Integrated Assessment and Climate Policy
Topics:
Christoph Mueller [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Integrated Assessment and Climate Policy
Topics:
Sebastian Ostberg [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Integrated Assessment and Climate Policy
Topics:
drueke [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Integrated Assessment and Climate Policy
Topics:
Alja Vrieling [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Integrated Assessment and Climate Policy
Topics:
calibration, data-assimilation
k204229 [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Processing and Analysis
Topics:
atmospheric-science, earth-science, solr-server
Philipp S. Sommer [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Processing and Analysis
Topics:
cartopy, climate, earth-science, earth-system-model, interactive, cf-conventions, icon-esm, psyplot, ugrid, regression-analysis and 4 more
Andrej Fast [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Processing and Analysis
Topics:
atmospheric-science, earth-science, solr-server
Daniel Black [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Processing and Analysis
Topics:
sqlalchemy, ibm-db2, mariadb, oracle, sql-server
Tristan Abbott [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Earth and Climate Modeling
Topics:
brasmus [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Downscaling
Topics:
Sara Minoli [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Integrated Assessment and Climate Policy
Topics:
adaptation, agmip, agriculture, climate-change, crop-model, ggcmi, harvest-date, lpjml, sowing-date
Malte J. Ziebarth [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Earth and Climate Modeling
Topics:
earth-science, geophysics, geoscience, seismology, gaussian-processes, geostatistics, interpolation, kriging, spatial-analysis, spatial-statistics and 7 more
YuviPanda [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Earth and Climate Modeling
Topics:
pangeo, binder, earth-science, research-and-development, energy-data, example, jupyterlab, kaggle, natural-gas, parquet and 63 more
balen [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Processing and Analysis
Topics:
archives, citizen-science, climate, community, data-rescue, digitization, transcription
Robert Smith [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Processing and Analysis
Topics:
archives, citizen-science, climate, community, data-rescue, digitization, transcription, consumption, energy-consumers, energy-producers and 6 more
Melis Cagan [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Processing and Analysis
Topics:
archives, citizen-science, climate, community, data-rescue, digitization, transcription
Victoria Slonosky [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Processing and Analysis
Topics:
archives, citizen-science, climate, community, data-rescue, digitization, transcription
Robert Simpson [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Processing and Analysis
Topics:
archives, citizen-science, climate, community, data-rescue, digitization, transcription
Femke Nijsse [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Integrated Assessment and Climate Policy
Topics:
Aicha Kharazi [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Integrated Assessment and Climate Policy
Topics:
Kees Nederhoff [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Natural Hazard and Storm
Topics:
delft, morphology, numerical-simulations, sediment-transport, storm, water
Willem Noorduin [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Natural Hazard and Storm
Topics:
Yonggang Yu [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Earth and Climate Modeling
Topics:
Diogo Teles Sant'Anna [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
alerting, graphing, closember, notebook, cryptography, css-framework, arrow, bundle, dependency, optimize and 25 more
Brian Ward [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
Antony Lee [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
afm, c-plus-plus-11, header-only, cartopy, geometry, projections, qgis, sentinel-2, timeseries-analysis, closember and 115 more
Aslak Grinsted [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
julialang, numerical, programming-language
Sarah Charlotte Johnson [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
accessors, sphinx-doc, pydata, caching, memoization, multiprocessing, parallel-computing, threading, distributed-computing, gbdt and 3 more
Leonard Lausen [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
mxnet, sagemaker, time-series-prediction, action-recognition, gan, gluon, person-reid, pose-estimation, semantic-segmentation, baidu and 10 more
Adam Leskis [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
cloud-computing, connection-migration, container-migration, edge-computing, mobility, mvfst, proxygen, quic, server-migration, ocean-modelling and 74 more
K. Arthur Endsley [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
agriculture, carbon, soil-carbon, earth-observation, lsma, multispectral-images, spectral-mixture-analysis, carbon-cycle, ecosystem-model, carbon-dioxide and 20 more
Nicolas Karasiak [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
atmospheric-correction, cloud-detection, data-downloader, sentinel-2, snow-cover, spot, theia, stac
Pontus Lurcock [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
Manish Kumar Gupta [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
cncf
Martey Dodoo [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
battery, power-management, packaging, pip, amqp, queue-tasks, queue-workers, queued-jobs, redis-queue, sqs and 4 more
Matthew Feickert [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
hep, lhe, particle-physics, scikit-hep, bigdata, file-format, hep-ex, root, root-cern, closember and 58 more
Robert Banick [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
Louis Maddox [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
jax, bayesian-methods, probabilistic-programming, docs, documentation-tool, restructuredtext, sphinx
Ben Dichter [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
neuroscience, open-science, h5py, hdf5-reading, zarr, conversion, nwb, documentation-generator, neurodata-without-borders, bioinformatics and 5 more
Ian Thomas [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
bokeh, holoviz, neuroscience, data-access, data-catalog, closember, ipython, ipython-kernel, kernel, numerical-methods and 31 more
Florian Ziemen [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
Davide Madrisan [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Access and Visualization
Topics:
global-warming, hadcrut5, netcdf4, plot, cloud-management, cloud-providers, cloud-provisioning, configuration-management, edge, event-management and 14 more
Andrea BETTERLE [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Natural Hazard and Storm
Topics:
Mike Kittridge [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
Katharina Bülow [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Processing and Analysis
Topics:
climate-analysis, climate-science, xclim
Alejandro Saucedo [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Earth and Climate Modeling
Topics:
dataops, learning, machine, mlops, scalable, kfserving, lightgbm, mlflow, seldon-core, xgboost and 6 more
Arun Sathiya [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Processing and Analysis
Topics:
apache-beam, weather, stripe, stripe-sdk, ns-2, ns-3, simulator, barcode, camera, demo and 40 more
kbp45-cusp [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Processing and Analysis
Topics:
apache-beam, weather
juannat7 [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Earth and Climate Modeling
Topics:
Kai Germaschewski [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
hpc-io, parallel, memory-allocation, memory-management, rapids
myron [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Processing and Analysis
Topics:
Ronnakrit "Ronnie" Rattanasriampaipong [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Processing and Analysis
Topics:
Douglas Uba [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Natural Hazard and Storm
Topics:
meteorology, nowcasting, radar, tracking, dsat, goes, goes-satellite, inpe, aws-s3, glm and 15 more
Kishan Ved [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Downscaling
Topics:
Halvardgithub [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Processing and Analysis
Topics:
Colin Gaffney [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Earth and Climate Modeling
Topics:
c4, jax, large-language-models, model-flops, parallelism, bayesian-methods, probabilistic-programming, checkpoint, flax, research and 12 more
Adam Subel [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Earth and Climate Modeling
Topics:
climate, neuralgcm, weather
Karim Bahgat [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Processing and Analysis
Topics:
Salaheddine EL FARISSI [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
Patrice Lecharpentier [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Processing and Analysis
Topics:
crop-model, parameter-estimation, sensitivity-analysis, uncertainty-analysis, agricultura, meteorologia
Yaroslav Halchenko [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
actions, coinbase-account, coinbase-api, coinbase-wallet, continuous-funding, continuous-integration, cryptocurrency, defi, dependencies, donation and 339 more
Kyle Barron [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
anywidget, apache-arrow, apache-parquet, deck-gl, geoarrow, geopandas, geoparquet, geospatial-analysis, jupyter-widget, longboard and 3 more
redcliff [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
zarr
Tobias Hölzer [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
cmd, fish, fish-shell, nerd-fonts, nushell, powerline, powershell, prompt, prompt-toolkit, shell-prompt and 4 more
Hendrik Makait [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
pydata, arrow, gbdt, gbm, gbrt, xgboost, zarr
Paul Branson [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
pangeo
Deepak Cherian [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
tinaok [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
Ted Habermann [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
Dorota Jarecka [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
numerical-methods, closember, medical-imaging, neuroimaging, semantic-segmentation, gtk, qt, tk, wx
Rafal Wojdyla [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
compressed, ndimensional-arrays, zarr, bioinformatics, obo, obo-graphs, obofoundry, ontology, owl, semantic-web and 27 more
Poruri Sai Rahul [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
compressed, ndimensional-arrays, zarr, bokeh, control-panels, dataapp, datascience, dataviz, holoviews, holoviz and 27 more
Philipp Hanslovsky [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
compressed, ndimensional-arrays, zarr
Stephan Saalfeld [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
compressed, ndimensional-arrays, zarr, fiji, fiji-plugin, hdf5, n5, ome-zarr-converter
Sebastian Grill [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
compressed, ndimensional-arrays, zarr, bigdata, dataframe, hdf5, memory-mapped-file, pyarrow, tabular-data
Will Moore [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
file-format, ome, zarr, idr, ngff, napari-plugin, gehlenborglab, imjoy, viv, ome-zarr and 4 more
shikharsg [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
compressed, ndimensional-arrays, zarr
rtobar [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
pydata, compressed, ndimensional-arrays, zarr
potter420 [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
compressed, ndimensional-arrays, zarr
Vyas Ramasubramani [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Climate Data Standards
Topics:
compressed, ndimensional-arrays, zarr, nvidia, pydata, digital-pathology, image-analysis, image-data, medical-imaging, microscopy and 14 more
Max [email protected]
OST Projects: 1
Categories: Climate Change
Sub Categories: Natural Hazard and Storm
Topics: