1. P.1 References are needed in the section of introduction.
2. P.2 Is there any real case to demonstrate the impact of climate change on coastal areas in the northeastern Taiwan?
3. Figure 1 is not clear, should remake it.
4. P.2 How did this study select these 13 indicators? The authors should explain it more.
5. P.2 Each dimension uses 13 proper indexes in the construction and quantification. According to this statement, this coastal vulnerability index will has 39 indicators. The statement seems wrong.
6. P.2 The details of each indicators is better to be compiled a table.
7. Some information in the last paragraph in the section of Construction the Coastal vulnerability index (CVI) is missed on page 3.
8. The section of 2. Construction the Hazard index (CHI) is replicated with 3. Construction the Hazard index (CHI).
9. P.3 All “index” items are classified into different ranks shall be the values of all “indicators” are classified into 5 ranks. An Index includes several indicators.