广东前汛期蓄水目标全面完成 可调水量约74亿立方米|嫩bbb搡bbbb榛bbbb
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中新网广州7月17日电 (记者 王坚)广东省水利厅17日通报称,2025年前汛期(4月至6月,下同),在全省降雨量偏少,广东省东江、西江、北江、韩江、鉴江五大流域降雨分布不均的情况下,该厅精细调度,主要水库蓄水成效明显,较流域水量调度计划预测值(下称“预测值”)基本持平,完成既定蓄水目标,可调水量约74亿立方米,占兴利库容的77%。

据广东省水利厅介绍,前汛期广东省水雨情丰枯急转,空间分布不均。4月、5月、6月,全省降雨量较常年同期分别偏少39%、偏多13%、基本持平。其中,东江、韩江流域降雨量持续偏少,前汛期分别较常年同期偏少33%、38%。西江、鉴江流域丰枯急转,4月降雨量分别较常年同期偏少32%、54%,5月至6月降雨量偏多三成左右。北江流域降雨量持续偏多,前汛期较常年同期偏多30%。
广东省水利厅表示,通过多措并举实施精准精细灵活水量调度,广东省前汛期水量调度工作取得显著成效。主要调度水库蓄水超额完成目标,截至7月1日,主要调度水库总可调水量73.8亿立方米,前汛期回蓄水量21.7亿立方米,充分发挥主要调度水库蓄水作用。其中,北江流域主要调度水库可调水量较预测值偏多1.5亿立方米,南水水库可调水量3.7亿立方米,较预测值偏多23%。鉴江流域高州水库可调水量6.1亿立方米,较常年同期偏多5853万立方米,较预测值偏多1511万立方米。东江流域新丰江水库在来水较计划预测值偏少24%的情况下,可调水量较预测值仅偏少3.3%。
此外,供水及生态安全得到全面保障。龙川、博罗、高要、石角、潮安、横山、化州7个国考断面生态流量及最小下泄流量全部达标,满足生态用水需求,有力保障了广东及香港、澳门特别行政区生活和生产用水。
广东省水利厅表示,据预测,后汛期广东省气候形势依然复杂,降水总体呈西多东少趋势。登陆或严重影响广东的热带气旋预计有3个至5个。接下来,该厅将在高度关注台风暴雨防范工作的同时,强化调度监管,严格实施调度计划,巩固蓄水保水成效,保障流域供水安全和生态安全,并提早谋划今冬明春水量调度准备工作。(完)
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