"Deriving regional and point source nitrogen oxides emissions in China from TROPOMI using the directional derivative approach with nonlinear chemical lifetime fitting"

"Deriving regional and point source nitrogen oxides emissions in China from TROPOMI using the directional derivative approach with nonlinear chemical lifetime fitting" - Interactive discussion https://essd.copernicus.org/preprints/essd-2025-480/ "Deriving regional and point source nitrogen oxides emissions in China from TROPOMI using the directional derivative approach with nonlinear chemical lifetime fitting" - Interactive discussion enAC2: 'Reply on RC2', Ling Chen, 09 Mar 2026https://essd.copernicus.org/preprints/essd-2025-480/essd-2025-480-AC2.pdfAC2: 'Reply on RC2', Ling Chen, 09 Mar 2026Mon, 09 Mar 2026 23:42:37 +0100AC1: 'Reply on RC1', Ling Chen, 09 Mar 2026https://essd.copernicus.org/preprints/essd-2025-480/essd-2025-480-AC1.pdfAC1: 'Reply on RC1', Ling Chen, 09 Mar 2026Mon, 09 Mar 2026 23:41:02 +0100RC2: 'Comment on essd-2025-480', Anonymous Referee #2, 09 Feb 2026https://essd.copernicus.org/preprints/essd-2025-480/essd-2025-480-RC2.pdfRC2: 'Comment on essd-2025-480', Anonymous Referee #2, 09 Feb 2026Mon, 09 Feb 2026 05:33:32 +0100RC1: 'Comment on essd-2025-480', Anonymous Referee #1, 22 Dec 2025https://essd.copernicus.org/preprints/essd-2025-480/essd-2025-480-RC1.pdfRC1: 'Comment on essd-2025-480', Anonymous Referee #1, 22 Dec 2025Mon, 22 Dec 2025 14:04:32 +0100