Dear Authors,

Please proofread the paper to correct grammar issues and loosely structured sentences. Simplify discussions wherever you can since there are many repetitions. A few examples are provided here, as well as some minor comments.

Lines 32-35, modify the sentence to “Results from the present study suggest that earlier estimations based on chemical transport model simulations and/or limited field measurements likely overestimated substantially the regional inorganic N wet deposition in the TP.”
Line 157, use “precipitation”
Line 162, use “analyzing”
Line 206, use “sources”
Line 221, change “using of the” to “using the”
Line 233 and 235, use “ranging from”
Line 257, use “patterns”
Line 287, use “3rd”
Line 288, use “different from”
The whole page of 16: Differences in wet deposition were largely explained by differences in precipitation amount. Does this mean the air concentrations are similar? Is there any information available on air concentration from literature?
Line 356 and below, could be simplified substantially.
Line 407 and other similar places, use “Firstly”