CALPUFF updated to version 7.3.1

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calpuff update oct 19   CALPUFF Version 7.3.1 has been released. This version incorporates an agricultural spraying source type. In addition, several bugs were identified and fixed in Version 7.2.1 including issues with the use of multiple sub-hourly variable emissions files and processing missing layers in AERMET generated .PFL files. This model is out of the list of recommended models of the US EPA but it is the most appropriate under low wind/calm conditions that influence odour impact and with complex terrains. 

  The CALPUFF Modelling System is a non-steady-state puff dispersion model that simulates the effects of time- and space-varying meteorological conditions on pollution transport, transformation, and removal. In this CALPUFF has been updated to version 7.3.1. CALPUFF is composed of several post-processors. In this new version the post-processors CALPOST, CALSUM and POSTUTIL, have also been updated to allow processing of the new spray source type.

New Beta version 20.1 of GRAL model

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gram gral website picture   The Graz Lagrangian (GRAL) system is a closed-source Lagrangian particle model with a free Graphic User Interface (GUI) available in both Linux and Windows. This model has a special module focused on odour dispersion modelling and now, a new beta release has been distributed in the mail list of users, with an extensive list of changes.

   People interested in testing and trying this new beta, should subscribe to the official website of the project here. The current version 19.1 has been updated to the version 20.1. According to the release notes, this is the third beta of this version. There is no information on when the final version will be released.

Mapping odour? mapping annoyance? Collaborative mapping?

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odour mapping barcelona   The first face-to-face meeting and fourth meeting in total of the group dealing with a new Spanish standard on the use of psychometry to map odours took place in Barcelona in September. A group of 10 experts met to discuss this new text that hopefully will become a new standard, but how is going to be named the text? Mapping odour? mapping annoyance? Collaborative mapping?

   This group is taking another step on traditional psychometry using citizen observations to try to take a photo of the odour impact in a certain area with alternative tools. In this case, instead of using surveys, diaries or performing personal interviews, the maps are being made dynamically by using an app that print time and location of an odour observation.

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