mathstodon.xyz is one of the many independent Mastodon servers you can use to participate in the fediverse.
A Mastodon instance for maths people. We have LaTeX rendering in the web interface!

Server stats:

2.7K
active users

#netcdf

0 posts0 participants0 posts today

I am really looking forward to a time when scientific data analysis is less of a constant fuckaround and fight with technical bullshit. I'd *really* like

- #netCDF natively supporting complex numbers
- #Python #xarray and #pandas to natively support physical units (#pint is great on its own but the integrations leave a LOT to be desired)
- #Jupyter notebooks to suck less (crashes, glitches, widget plots not saved statically, an effing BUILTIN formatter, etc.)
- proper data pipeline systems
...

𝗖𝗙 𝗠𝗲𝘁𝗮𝗱𝗮𝘁𝗮 𝗖𝗼𝗻𝘃𝗲𝗻𝘁𝗶𝗼𝗻𝘀 support #OpenScience by automating processes via metadata in #NetCDF and #Zarr files. They establish a unified language for the #weather, #climate, #ocean, and #EO community. buff.ly/rGPuoku
#remotesensing #EarthObs

ZenodoSupporting Open Science with the CF Metadata Conventions for NetCDFSlides for the presentation given on 11 December 2024 at the AGU Annual Meeting to the session for the AGU Open Science Recognition Prize. Abstact:The CF (Climate and Forecast) Conventions are a community-developed standard that promotes the sharing and automated processing of Earth systems science data in the netCDF data format (and in Zarr/GeoZarr). The CF conventions define metadata that can be used to describe the coordinate systems, data structure, and geophysical meaning and units of each variable. This enables users of data from different sources to decide which quantities are comparable and facilitates building applications with powerful extraction, analysis, and display capabilities. There is a mature and growing ecosystem of FOSS (Free and Open Source Software) and commercial software tools which work with CF. The CF standard has been essential to the success of high-profile internationally-coordinated modeling activities (e.g, the Coupled Model Intercomparison Project, which hosts more than 30 million files and more than 15 petabytes of data, all compliant with CF). CF is widely used by weather, climate, ocean and Earth observation scientists, and is gaining traction among others, such as the biogeochemistry and atmospheric chemistry communities.

🚀 Excited to share my new FREE video tutorial on creating CF-NetCDF files using R! 🌟

In this video, you'll learn to:
• Ensure compliance with CF and ACDD conventions
• Work with 1D, 2D, and 3D data
• Manage irregular grids and moving instruments

🔗 Watch it here: youtu.be/IZDygRjfMIg

📖 Plus, check out the accompanying Jupyter book for code and explanations: nordatanet.github.io/NetCDF_in

Using Mesh Data In QGIS [including accessing NetCDF data]
--
courses.gisopencourseware.org/ <-- shared tutorial
--
youtu.be/OBi4wuxLiAE?si=_5DCAc <-- tutorial as a video
--
“Mesh data represents an unstructured grid that can include temporal and other components. It consists of vertices, edges, and faces that form a spatial structure in 2D or 3D space. Each vertex can store multiple datasets, which can also have a temporal dimension, making mesh data highly versatile for various applications such as meteorology, hydrodynamics, and environmental modeling…
This course is designed to equip you with the knowledge and skills needed to effectively work with mesh data within the QGIS environment…"
#QGIS #GIS #mesh #datavisualisation #NetCDF #climate #animation #openaccess #onlinelearning #learning #spatial #mapping #tutorial

🌍 Heading to the 2024 CF Workshop in Norrköping, Sweden! 🇸🇪 CF conventions are vital for ensuring data adheres to the FAIR principles. While NetCDF files are great, CF standards make data truly interoperable across disciplines.

I'll be sharing ideas on introducing CF to new disciplines like biology and geology, helping them unlock the full potential of their data. Excited to learn how CF conventions evolve and meet the community! 🌟

🌍📊 Want to work with NetCDF files in Python? My tutorial series covers everything from opening and plotting NetCDF data to creating CF-compliant files for FAIR data publication.

Whether you're new to NetCDF or looking to enhance your skills, I've got you covered! 🚀 Check it out: lhmarsden.github.io/NetCDF_in_

Topics include:
🔸Extracting data 📝
🔸Plotting 📈
🔸Creating CF-compliant files 🌐
🔸Granularity 🖥️
🔸CF & ACDD 🖥️

Suggestions? Let me know! #Python #DataScience #NetCDF #xarray #FAIRData #ClimateData

Day six of the sixth eruption near #Svartsengi and the town of #Grindavík This eruption is the largest one yet. Here is a 4-day series of #Sentinel5p satellite data from the #TROPOMI instrument showing the mean amount of SO₂ in a vertical column of atmosphere (Dobson units). With time this will turn into sulfate particles forming volcanic smog.

This level 3 data is made available by The German Aerospace Center as #NetCDF files and can easily be opend in #QGIS and visualized with MDAL library.

@roadskater
1) #netCDF is so much better than the individual formats thousands of scientists have made up over the decades. But I really wish people would use the metadata fields consistently (or at all).

2) Have you discovered IrfanView? It’s mostly just a viewer, but it handles every image type and many grid types that I’ve thrown at it. It is great for checking whether the netCDF shows what it’s supposed to.

Continued thread

Meanwhile, other software packages apparently can plot this stuff? I guess they have multiple coders, and funding to pay them all?

Otherwise, crud. The data grid mapping issue is a pain, but I figured that out. But… the data are in a structure, which… the library doesn't handle well (cough, gag) and disaster ensues.

There could be a career in sci software dev here. If one had the funding.

Spent some time the last few days examining whether I need to blow up and rewrite code in order to plot a satellite data product. Seemed from perusing a very necessary library API that it wouldn't need much work. On re-read, maybe more work. Sigh, now realizing that the API itself would need refactoring. Which, 1) their developers might say no, or 2) worse, they might say yes but they have SO many other demands.

The user who pinged me about this will probably be less than surprised. F!

A Gentle Introduction to GDAL Part 8 - Reading Scientific Data Formats
--
medium.com/@robsimmon/a-gentle <-- shared technical article / tutorial
--
“Among its many well-known capabilities, GDAL has a hidden superpower — the ability to read scientific data formats like Hierarchical Data Format (HDF), Network Common Data Form (NetCDF), and Gridded Binary (GRIB). Many essential climate and satellite datasets created by the likes of NASA, NOAA, the World Meteorological Organization (WMO), and the European Space Agency (ESA) are stored and distributed in one of these formats. They contain records of everything from global temperatures to land cover to ocean salinity. Unfortunately, many people who’d be interested in using these data don’t even know they exist…”
#GIS #spatial #mapping #remotesensing #earth #global #gdal #opensource #opendata #tutorial #learning #onlinelearning #introduction #scientificdata #HDF #NetCDF #GRIB #NASA #NOAA #WMO #ESA