Journey on Home https://shashankkroy.github.io/journey/ Recent content in Journey on Home Hugo -- gohugo.io en Mon, 01 Jun 2026 00:00:00 +0000 EnKF Workshop 2026 https://shashankkroy.github.io/journey/enkf-workshop-2026/ Mon, 01 Jun 2026 00:00:00 +0000 https://shashankkroy.github.io/journey/enkf-workshop-2026/ <p><em>June 2026 · Rosendal, Norway</em></p> <p>Presented <strong><a href="https://www.data-assimilation.no/workshops/EnKF-WS-2026">Bridging Variational Data Assimilation and Flow Matching for Posterior Sampling</a></strong>.</p> <!-- Expand into a full write-up: the setting, key talks and conversations, what you learned, links to related posts and photos. --> June 2026 · Rosendal, Norway

Presented Bridging Variational Data Assimilation and Flow Matching for Posterior Sampling.

]]> ML for Bi-Level Optimization, DA and UQ https://shashankkroy.github.io/journey/ml-bilevel-da-uq-brest-2026/ Fri, 01 May 2026 00:00:00 +0000 https://shashankkroy.github.io/journey/ml-bilevel-da-uq-brest-2026/ <p><em>May 2026 · Brest, France</em></p> <p>Presented <strong>Uncertainty Quantification in 4DVarNet via Spatiotemporal Coherent Displacements</strong> — on home ground at IMT Atlantique.</p> <!-- Expand into a full write-up. --> May 2026 · Brest, France

Presented Uncertainty Quantification in 4DVarNet via Spatiotemporal Coherent Displacements — on home ground at IMT Atlantique.

]]> Climate Informatics 2026 https://shashankkroy.github.io/journey/climate-informatics-2026/ Wed, 01 Apr 2026 00:00:00 +0000 https://shashankkroy.github.io/journey/climate-informatics-2026/ <p><em>April 2026 · Lausanne, Switzerland</em></p> <p>Presented <strong><a href="https://wp.unil.ch/ci26/tentative-schedule/">Spatiotemporal Coherent Displacements for Ensemble-Based Neural Data Assimilation</a></strong> — the work now accepted in Environmental Data Science.</p> <p></p> <!-- Expand into a full write-up. --> April 2026 · Lausanne, Switzerland

Presented Spatiotemporal Coherent Displacements for Ensemble-Based Neural Data Assimilation — the work now accepted in Environmental Data Science.

]]> EGU General Assembly 2025 https://shashankkroy.github.io/journey/egu-2025/ Thu, 01 May 2025 00:00:00 +0000 https://shashankkroy.github.io/journey/egu-2025/ <p><em>May 2025 · Vienna, Austria</em></p> <p>Presented <strong><a href="https://meetingorganizer.copernicus.org/EGU25/EGU25-4300.html">Performance Gains and Advantages of 4DVarNet in End-to-End Learning for Data Assimilation</a></strong> at my first EGU.</p> <!-- Expand into a full write-up. --> May 2025 · Vienna, Austria

Presented Performance Gains and Advantages of 4DVarNet in End-to-End Learning for Data Assimilation at my first EGU.

]]> Space Applications Centre, ISRO https://shashankkroy.github.io/journey/isro-sac-2025/ Sat, 01 Mar 2025 00:00:00 +0000 https://shashankkroy.github.io/journey/isro-sac-2025/ <p><em>March 2025 · Ahmedabad, India</em></p> <p>Talk on <strong>Automatic Differentiation for 4DVar: Some Results in PyTorch with a QG Model</strong>.</p> <!-- Expand into a full write-up. --> March 2025 · Ahmedabad, India

Talk on Automatic Differentiation for 4DVar: Some Results in PyTorch with a QG Model.

]]> IISER Pune, Data Science https://shashankkroy.github.io/journey/iiser-pune-2025/ Sat, 01 Feb 2025 00:00:00 +0000 https://shashankkroy.github.io/journey/iiser-pune-2025/ <p><em>February 2025 · Pune, India</em></p> <p>Talk on <strong>4DVarNet: A Neural Network Model for Data Assimilation</strong> — back at the department where I once TA&rsquo;d the time-series course.</p> <!-- Expand into a full write-up. --> February 2025 · Pune, India

Talk on 4DVarNet: A Neural Network Model for Data Assimilation — back at the department where I once TA’d the time-series course.

]]> NARL, Department of Space https://shashankkroy.github.io/journey/narl-gadanki-2025/ Wed, 01 Jan 2025 00:00:00 +0000 https://shashankkroy.github.io/journey/narl-gadanki-2025/ <p><em>January 2025 · Gadanki, India</em></p> <p>Ran a hands-on workshop: <strong>AI for Data Assimilation — 4DVar and 4DVarNet for Ocean Datasets</strong> at the National Atmospheric Research Laboratory.</p> <!-- Expand into a full write-up. --> January 2025 · Gadanki, India

Ran a hands-on workshop: AI for Data Assimilation — 4DVar and 4DVarNet for Ocean Datasets at the National Atmospheric Research Laboratory.

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