贾绍凤表示,从水位上看,今年的几条干流,包括永定河、子牙河、大清河都没有出现泛滥。现如今,大河都将防洪标准提高到能应对五十年一遇、甚至百年一遇的自然灾害,不过一些中小河流的标准仍是十年一遇或二十年一遇,“发达地区应适当提高(中小河流的)防洪标准”。
zaitiaoyanzhong,huangyanfaxian,changqiyilai,xuzhihongqutourubuzu,guanliboruo,jianshezongtizhihou。yichangjiangliuyuweili,liuyuneide42chuxuzhihongquzhongrengyou11chuwei(ge)diweijianhuoweishishijiagu,jinyoudujiataideng9chuxuzhihongquwanchengfenhongzhajianshe、jingjiangfenhongqudeng4chuxuzhihongquwanchenganquanjianshe。在(zai)调(tiao)研(yan)中(zhong),(,)黄(huang)艳(yan)发(fa)现(xian),(,)长(chang)期(qi)以(yi)来(lai),(,)蓄(xu)滞(zhi)洪(hong)区(qu)投(tou)入(ru)不(bu)足(zu),(,)管(guan)理(li)薄(bo)弱(ruo),(,)建(jian)设(she)总(zong)体(ti)滞(zhi)后(hou)。(。)以(yi)长(chang)江(jiang)流(liu)域(yu)为(wei)例(li),(,)流(liu)域(yu)内(nei)的(de)4(4)2(2)处(chu)蓄(xu)滞(zhi)洪(hong)区(qu)中(zhong)仍(reng)有(you)1(1)1(1)处(chu)围(wei)((()隔(ge))())堤(di)未(wei)建(jian)或(huo)未(wei)实(shi)施(shi)加(jia)固(gu),(,)仅(jin)有(you)杜(du)家(jia)台(tai)等(deng)9(9)处(chu)蓄(xu)滞(zhi)洪(hong)区(qu)完(wan)成(cheng)分(fen)洪(hong)闸(zha)建(jian)设(she)、(、)荆(jing)江(jiang)分(fen)洪(hong)区(qu)等(deng)4(4)处(chu)蓄(xu)滞(zhi)洪(hong)区(qu)完(wan)成(cheng)安(an)全(quan)建(jian)设(she)。(。)