RAMPED UP - September 2025
2025 Spring RAMP Meeting in Ottawa, RAMP Team Highlights, VARSKIN+ to V+, SIERRA ATD, SNAP/RADTRAD,
SIERRA
RAMPED UP - November 2022
Recap of 2022 Intl. RAMP User Group Meeting. Introducing the SIERRA code and other news.
RAMPED UP - September 2024
Recap of 2024 Intl. RAMP User Group Meeting. Introducing a new version of VARSKIN+, the SIERRA ATD module, the planned update to the RASCAL GUI, and other news.
SIERRA ATD
SIERRA ATD is a computer code used for evaluating releases in cases of design-based accidents (from 100s of meters to 10 km), as well as normal effluent releases for sensitive receptors and populations up to 80 km.