CDEM Joint Committee Agenda March 2024
CDEM Joint Committee March 2024
CDEM Joint Committee March 2024
............................................................................................................................. 10 APPENDIX A MONITORING WELLS- REMEDIATION NEW ZEALAND- URUTI .......... 11 APPENDIX B MONITORING BORE INSTALLATION .................................................... 13 APPENDIX C SOIL MOISTURE AND RAINFALL RECHARGE ON CHLORIDE CONCENTRATIONS IN GROUNDWATER ............................................. 15 APPENDIX D PRELIMINARY UNCONFIRMED CONCEPTUAL SITE MODEL ............... 1 page Commercial in confidence TABLES Table 2.1:Haehanga Catchment
Operations and Regulatory Committee Agenda April 2025
marginal rise in analytes in one of the bores, whilst concentration levels remained relatively stable in the other bore. The third bore remained dry for the entire monitoring period, which could potentially be attributed to the relatively low rainfall in the area during the past year. Lake Taumaha sample analysis demonstrates that the surface water quality continues to remain stable and unaffected by the landfarming activities. Soil sample analysis found that further bioremediation would be
List of figures Figure 1 Mangapouri Cemetery location map 4 Figure 2 Burial Plan for first five years of operation 9 Figure 3 Baseline groundwater elevations in comparison to rainfall 17 Figure 4 Baseline groundwater levels GND2624 18 Figure 5 Baseline groundwater levels GND2627 19 Figure 6 Baseline groundwater levels GND2625 19 Figure 7 Baseline groundwater levels GND2623 20 Figure 8 Baseline groundwater levels GND2484 20 Figure 9 Baseline groundwater
the 2018-2019 monitoring year, with most commencing irrigation in November or December and concluding for most in March. Rainfall recorded at the Council’s monitoring locations over the summer irrigation period ranged between 58% and 111% of historical mean values. A particularly dry October, along with warm coastal winds, caused soils to dry out faster than normal which resulted in high irrigation water demand. Total usage during the 2018-2019 irrigation season, with a total water use across
the rainfall recorded at the Council’s monitoring locations ranged between 100 % and 158% of historical mean values. This meant that many rivers and streams were running above mean annual low flow conditions for the period. The higher than normal stream flows meant that there was only a small amount of monitoring required to ensure ecological flows were maintained in those waterways being used to supply water for irrigation. During the period under review, compliance with residual flow
cover is linked to a shift of storm tracks southward and dry tropical zones expanding. Rainfall: The report covers average rainfall by season, and trends in rainfall within each season. It also presents information on trends in intense rainfall episodes. The report goes on to note that climate change modelling suggest there will be an overall pattern of increasing rainfall in winter and spring down western New Zealand and across the south of the South Island, with drier conditions to the
mass irrigated, 2009- 2023 48 Figure 37 Paddock annual nitrogen application rates for Farm 1 50 Figure 38 Paddock annual nitrogen application rates for Farm 2 51 Figure 39 Paddock annual nitrogen application rates for Farm 3 51 Figure 40 Monthly mass of nitrogen irrigated 53 Figure 41 Monthly rainfall totals and median soil moistures 53 Figure 42 Estimated monthly mass of phosphorus irrigated 53 Figure 43 Total nitrogen concentration of soil samples taken from the
plan, prepare and adapt to a changing climate in Taranaki. In considering weather and climate we are mainly interested in sunshine, rain, wind and temperature data. This helps guide decision-making around growing seasons, flood management, fishing, swimming and surf conditions. River flows are influenced by rainfall and temperature and tell us how dry or wet a summer is. River flow measurements can help us ensure water use is managed in a way that protects