# Mapping Aquaculture Ponds for the Coastal Zone of Asia with Sentinel-1 and Sentinel-2 Time Series
## 2 Study Region
\begin{table}
\begin{tabular}{c c c c c c c c} \hline \hline
**Country** & \begin{tabular}{c} **ISO 3166-1** \\ **Alpha-3** \\ **Code** \\ \end{tabular} & \begin{tabular}{c} **Coastline** \\ **Length**\({}^{\text{a}}\) \\ **[km]** \\ \end{tabular} & \begin{tabular}{c} **Load Area**\({}^{\text{b}}\) \\ **[km\({}^{2}\)]** \\ \end{tabular} & \begin{tabular}{c} **Load Area**\({}^{\text{a}}\) \\ **Ratio** \\ **[m/km\({}^{2}\)]** \\ \end{tabular} & \begin{tabular}{c} **Total** \\ **Total Area**\({}^{\text{a}}\) \\ **[in Mio]** \\ \end{tabular} & \
\begin{tabular}{c} **Population in** \\ **the Coastal** \\ **Zone (PCZA)**\({}^{\text{d}}\) \\ **[in Mio]** \\ \end{tabular} &
\begin{tabular}{c} **Share of** \\ **PCZA in** \\ **Relation to** \\ **TP [in \%]** \\ \end{tabular} \\ \hline Indonesia & IDN & 97,680 & 1,878,758 & 51.99 & 267.67 & 250.32 & 93.5 \\ Philippines & PHL & 34,541 & 293,319 & 117.76 & 106.65 & 96.78 & 90.7 \\ China & CHN & 34,362 & 9,371,977 & 3.67 & 1459.38 & 429.65 & 29.4 \\ Japan & JPN & 30,725 & 372,424 & 82.50 & 127.20 & 121.38 & 95.4 \\ Myanmar & MMR & 18,008 & 662,913 & 27.16 & 53.71 & 28.52 & 53.1 \\ Republic of Korea & KOR & 14,930 & 96,857 & 154.14 & 51.17 & 48.40 & 94.6 \\ India & IND & 13,166 & 3150,820 & 4.18 & 1352.64 & 386.57 & 28.6 \\ Malaysia & MYS & 12,465 & 327,849 & 38.02 & 31.53 & 29.73 & 94.3 \\ Thailand & THA & 8182 & 514,480 & 15.90 & 69.43 & 39.09 & 56.3 \\ Vietnam & VNM & 6217 & 328,898 & 18.90 & 95.55 & 87.09 & 91.1 \\ Iran & IRN & 5858 & 1,622,136 & 3.61 & 81.80 & 10.48 & 12.8 \\ Pakistan & PAK & 4936 & 872,877 & 5.65 & 212.23 & 24.27 & 11.4 \\ Dem. People’s Rep. Korea & PRK & 4896 & 121,458 & 40.31 & 25.55 & 23.71 & 92.8 \\ Sri Lanka & LKA & 3930 & 66,288 & 59.29 & 21.23 & 20.58 & 96.9 \\ Taiwan & TWN & 2863 & 36,207 & 79.07 & 23.73 & 23.06 & 97.2 \\ Bangladesh & BGD & 2735 & 137,208 & 19.93 & 161.38 & 82.94 & 51.4 \\ Cambodia & KHM & 1430 & 181,058 & 7.90 & 16.25 & 10.91 & 67.1 \\ Hong Kong SAR & HKG & 1101 & 1038 & 1060.56 & 7.37 & 5.93 & 80.5 \\ Timor-Leste & TLS & 803 & 15,083 & 53.24 & 1.27 & 1.17 & 92.1 \\ Singapore & SGP & 490 & 511 & 999.73 & 5.76 & 5.44 & 94.4 \\ Brunei Darussalam & BRN & 298 & 5713 & 52.16 & 0.43 & 0.43 & 100.0 \\ Macao SAR & MAC & 89 & 29 & 3068.01 & 0.63 & 0.40 & 63.5 \\ \hline
**ROI total** (22 countries) & & **299,705** & **20,057,900** & **Ø 269.26** & **4173** & **1726** & **41.4** \\ \hline South Asia (SA) & & 30,625 & 5,849,329 & **Ø 18.53** & 1829 & 524.84 & 28.7 \\ Southeast Asia Mainland (SEAL) & & 38,474 & 1,819,271 & **Ø 176.86** & 267 & 194.76 & 73.1 \\ Southeast Asia Maritime (SEAM) & & 141,640 & 2,389,311 & **Ø 63.50** & 383 & 354.71 & 92.7 \\ East Asia (EA) & & 38,415 & 940,251 & **Ø 10.052** & 8.1491 & 459.04 & 30.8 \\ Northeast Asia (NEA) & & 50,551 & 590,739 & **Ø 92.32** & 204 & 193.49 & 94.9 \\ \hline \hline \end{tabular}  
* ROI: Region of interest (ROI) refers to all Asian countries, which cover the coastal zone of Asia (CZA); see Section 2.
* “Average value; \({}^{\text{a}}\)—Costline length calculated from vector data on administrative areas from the GADM [38] dataset; \({}^{\text{b}}\)—Land area calculated from the free Natural Earth dataset (accessible via naturalearthdata.com); \({}^{\text{c}}\)—Population data source: FAOSTAT; \({}^{\text{d}}\)—European Commission, Joint Research Centre (JRC) (2015): GHS-POP R2015A-GHS population grid, derived from GPW4 [39].  
\end{table} 
Table 1: Overview of all countries that belong to the study region: coastal zone of Asia (CZA).