水庫樞紐
馮家山水(shui)(shui)(shui)庫(ku)(ku)庫(ku)(ku)區(qu)流經千(qian)(qian)陽縣、鳳翔區(qu)和陳(chen)倉區(qu)。是(shi)一(yi)座(zuo)以灌(guan)(guan)溉為(wei)(wei)主,兼(jian)有防洪(hong)(hong)、發(fa)電、養殖(zhi)等綜合利用的大型水(shui)(shui)(shui)利樞(shu)紐(niu)。水(shui)(shui)(shui)庫(ku)(ku)總庫(ku)(ku)容(rong)4.13億(yi)立(li)(li)方(fang)(fang)米(mi),有效庫(ku)(ku)容(rong)2.86億(yi)立(li)(li)方(fang)(fang)米(mi),防洪(hong)(hong)庫(ku)(ku)容(rong)0.92億(yi)立(li)(li)方(fang)(fang)米(mi),死(si)庫(ku)(ku)容(rong)0.91億(yi)立(li)(li)方(fang)(fang)米(mi)。水(shui)(shui)(shui)庫(ku)(ku)正(zheng)常水(shui)(shui)(shui)位(wei)712m,回(hui)水(shui)(shui)(shui)至干陽縣城關長17.5km,水(shui)(shui)(shui)庫(ku)(ku)水(shui)(shui)(shui)面17.7平方(fang)(fang)公(gong)里。水(shui)(shui)(shui)庫(ku)(ku)樞(shu)紐(niu)防洪(hong)(hong)標準(zhun)為(wei)(wei)百年一(yi)遇(yu)洪(hong)(hong)水(shui)(shui)(shui)(3400立(li)(li)方(fang)(fang)米(mi)/秒(miao))設計(ji),千(qian)(qian)年一(yi)遇(yu)洪(hong)(hong)水(shui)(shui)(shui)(7200立(li)(li)方(fang)(fang)米(mi)/秒(miao))校(xiao)核,二千(qian)(qian)年一(yi)遇(yu)洪(hong)(hong)水(shui)(shui)(shui)(8300立(li)(li)方(fang)(fang)米(mi)/秒(miao))情況(kuang)下保壩。 水(shui)(shui)(shui)庫(ku)(ku)樞(shu)紐(niu)工(gong)程(cheng)由(you)攔河大壩、右(you)岸壓(ya)力泄洪(hong)(hong)洞(dong)、非(fei)常溢洪(hong)(hong)道、古河道防滲工(gong)程(cheng)和左岸明流溢洪(hong)(hong)洞(dong),灌(guan)(guan)溉、發(fa)電輸水(shui)(shui)(shui)洞(dong)以及電站等七部分工(gong)程(cheng)組成。
水庫灌區
灌(guan)(guan)區西(xi)起(qi)金陵河(he)、東(dong)(dong)至漆水河(he),北依喬山,南(nan)接寶(bao)(bao)雞峽灌(guan)(guan)區。東(dong)(dong)西(xi)長約80km,南(nan)北寬約18km。灌(guan)(guan)溉(gai)(gai)寶(bao)(bao)雞、鳳翔(xiang)、岐山、扶風、眉縣(xian)、永壽、乾(qian)縣(xian)七(qi)縣(xian)的(de)旱原,設(she)計(ji)面積為(wei)(wei)(wei)(wei)126萬(wan)(wan)(wan)(wan)畝(mu),施工(gong)中(zhong)擴大為(wei)(wei)(wei)(wei)129萬(wan)(wan)(wan)(wan)畝(mu),施工(gong)后(hou)期控制(zhi)面積為(wei)(wei)(wei)(wei)136萬(wan)(wan)(wan)(wan)畝(mu)。 灌(guan)(guan)區以干河(he)為(wei)(wei)(wei)(wei)界,分(fen)為(wei)(wei)(wei)(wei)東(dong)(dong)、西(xi)兩個灌(guan)(guan)區。西(xi)灌(guan)(guan)區,為(wei)(wei)(wei)(wei)抽(chou)水灌(guan)(guan)溉(gai)(gai),面積15.2萬(wan)(wan)(wan)(wan)畝(mu)。東(dong)(dong)灌(guan)(guan)區,灌(guan)(guan)溉(gai)(gai)120.8萬(wan)(wan)(wan)(wan)畝(mu),其中(zhong)自流灌(guan)(guan)溉(gai)(gai)65萬(wan)(wan)(wan)(wan)畝(mu),其余(yu)為(wei)(wei)(wei)(wei)抽(chou)水。自流灌(guan)(guan)區每(mei)畝(mu)毛用(yong)水定額(e)為(wei)(wei)(wei)(wei)325立方米,抽(chou)水灌(guan)(guan)區每(mei)畝(mu)毛用(yong)水定額(e)為(wei)(wei)(wei)(wei)218.4立方米。
形態描述
馮(feng)家山(shan)水庫(ku)(陜西) 北(bei)方區(qu), 面積1.500萬(wan)畝(mu), 平均(jun)深度(du)24.00米, 最(zui)大深度(du)50.00米,生態特征(zheng) 浮游生物(wu)(毫克/升)
浮植現(xian)存量(liang)1.160, 浮植優勢種甲(jia)藻、硅藻, 浮游(you)動(dong)物量(liang)0.910.
浮游植物(wu)生物(wu)量及優勢藻類的(de)季節(jie)變化(毫克/升)
1981-1982年(nian), 春(chun)季(ji)生(sheng)物量(liang)0.92, 春(chun)優勢(shi)藻(zao)類(lei)硅藻(zao), 夏季(ji)生(sheng)物量(liang)0.71, 夏優勢(shi)藻(zao)類(lei)甲藻(zao), 秋(qiu)季(ji)生(sheng)物量(liang)0.50, 秋(qiu)優勢(shi)藻(zao)類(lei)甲藻(zao).
水庫的(de)浮游(you)植物生(sheng)物量(毫克/升)及其(qi)組成
浮植生物量1.160, 硅藻(zao)占(zhan)門27.6%, 綠(lv)藻(zao)占(zhan)門16.4%, 金藻(zao)占(zhan)門4.3%, 甲藻(zao)占(zhan)門44.8%, 裸藻(zao)占(zhan)門4.3%, 藍藻(zao)占(zhan)門2.6%
水庫浮游動物(wu)生物(wu)量與季節變化(毫克/升)
原生(sheng)生(sheng)物量0.26,枝角生(sheng)物量0.28, 橈足生(sheng)物量0.39, 總(zong)生(sheng)物量0.91.
營養類型
植(zhi)物生量物中, 植(zhi)物優勢(shi)種中, 無機氮(dan)富(fu),COD富(fu), 水質營養狀況屬于中營養型。