Table 2. Mann-Kendall slope and trend significance test for the time series 1981–2017 for the Upper Paraguay River Basin (UPRB), the Highlands, and the Pantanal areas as well as their different sub-regions (see Fig 1).
| Test Z | Signific. | Q | Qmin99 | Qmax99 | B | Bmin99 | Bmax99 | |
|---|---|---|---|---|---|---|---|---|
| Highlands | 0.48391 | NS | 1.06386 | -4.03853 | 5.2212 | 1437.9740 | 1662.6453 | 1246.4184 |
| H-01/02 | 0.40544 | NS | 1.56956 | -7.15099 | 9.4380 | 1271.1179 | 1658.3511 | 924.9062 |
| H-03 | 0.79781 | NS | 2.69054 | -6.25389 | 11.8387 | 1272.8659 | 1682.6248 | 848.1280 |
| H-04 | 0.98091 | NS | 3.03922 | -5.02400 | 10.5800 | 1249.6635 | 1621.0632 | 877.1471 |
| H-06/07 | 0.43160 | NS | 1.35461 | -5.67938 | 7.0929 | 1401.6356 | 1744.4750 | 1135.4599 |
| H-09 | 0.40544 | NS | 0.91576 | -4.35379 | 6.2211 | 1555.2508 | 1814.9227 | 1304.1071 |
| H-10 | 0.71933 | NS | 1.53739 | -3.72842 | 6.3054 | 1434.8234 | 1680.4287 | 1168.8582 |
| H-11 | -0.90244 | NS | -2.24385 | -8.07633 | 3.5285 | 1620.5682 | 1907.6034 | 1347.4866 |
| Pantanal | -0.82397 | NS | -1.41484 | -5.85063 | 3.3367 | 1253.5647 | 1474.6748 | 1044.1982 |
| Porto Murtinho (P-01) | -0.64086 | NS | -2.29374 | -10.6062 | 7.56773 | 1351.5197 | 1726.0165 | 909.6009 |
| Nabileque (P-02) | 0.03923 | NS | 0.16514 | -5.56805 | 6.79478 | 1073.6769 | 1357.7034 | 736.3475 |
| Miranda (P-03) | 1.26865 | NS | 2.35717 | -3.23933 | 9.17391 | 1146.1971 | 1410.1595 | 806.6391 |
| Aquidauana (P-04) | 0.71933 | NS | 2.00247 | -5.24114 | 8.79745 | 1210.4004 | 1539.7506 | 878.1254 |
| Abobral (P-05) | 0.03923 | NS | 0.16095 | -6.63037 | 7.02612 | 1096.7412 | 1408.4170 | 739.3102 |
| Nhecolândia (P-06) | -0.14386 | NS | -0.26106 | -5.24051 | 5.64936 | 1197.8901 | 1428.9086 | 924.8686 |
| Paiaguas (P-07) | -1.39944 | NS | -2.25553 | -7.74219 | 2.72160 | 1303.8043 | 1555.5458 | 1071.1621 |
| Paraguai (P-08) | -1.45028 | NS | -1.54228 | -4.13419 | 1.15229 | 1143.3730 | 1229.8437 | 1035.3777 |
| Barão de Melgaço (P-09) | -0.51007 | NS | -1.64431 | -7.29734 | 5.27726 | 1370.1871 | 1640.4848 | 1076.0669 |
| Poconé (P-10) | -0.64086 | NS | -1.17561 | -6.90496 | 4.34565 | 1297.1701 | 1556.9255 | 1036.1247 |
| Cáceres (P-11) | -1.39944 | NS | -3.29740 | -7.96864 | 2.89571 | 1327.9828 | 1540.3516 | 1011.3098 |
| UPRB | 0.03923 | NS | 0.10499 | -4.27405 | 4.10772 | 1374.9776 | 1571.0541 | 1186.4188 |