涉县水资源量评价课设水资2班3组

涉县水资源评价姓名：何威班级：11级水资2班学号：110300224成员：阮恒平、马栋辉、米城、杨旭洋殷腾飞、齐雪莲、荣琼燕、孙玲玲一．涉县地区概况1.1自然地理涉县位于太行山东麓，河北省西南隅邯郸市境内。北纬36°17′30″—36°55′，东经113°26′25″—114°。东西横跨37.5km，南北纵距64.5km，总面积1489km2。涉县行政区所在位置见下列图。涉县地势西北高、东南低，海拔相差1300米以上。全境为山区。西北部海拔1000—1562.9米之间，中部海拔500—1000米之间，东南部海拔250—500米之间。境内河谷纵横，山高坡陡，峰峦叠嶂，呈中低山区地貌，漳河及其各级支流迂回曲折，发育其中。1.2气象水文涉县位于北温带，属大陆性半干旱季风气候，春秋干旱少雨，夏季炎热多雨。降雨主要受太平洋东南季风影响，因地处太行山迎风坡，一般降雨偏丰。年内降水量分配也极不均匀，雨量多集中在六至九月份，占全年降水量的70%以上。1.3河流水系涉县境内的清漳河、浊漳河和漳河，均为山溪河流，同属海河流域漳卫南运河水系。清漳河自西北流向东南，总流域面积5060km2，涉县境内全长63.4km。浊漳河位于涉县东南部，浊漳河流域面积11196km2。涉县境内曲流长21km，流域面积58.2km2。清漳河和浊漳河在涉县合漳村集合后称漳河，经观台流入岳城水库。漳河全长179km，总流域面积17800km2。涉县境内曲流长31km，流域面积28.49km2。1.4水利工程涉县水利工程主要分布在清漳河流域，有小型水库12座，较大型引水渠道有3条：漳西渠、漳北渠、漳南渠，分别向漳西灌区、漳北灌区、漳南灌区供水。南洺河上有一中型水库——青塔水库，为涉县境内最大水库，该水库汇水面积76km2，兴利库容1050万m3，总库容1271万m3，设计标准为50年一遇，主要为青塔灌区供水。清漳河在涉县境内有刘家庄、匡门口两座水文站。刘家庄水文站测流断面以上总汇水面积3800km2，匡门口断面以上流域面积5060km2，分别占清漳河总流域面积5380km2的70.6%和94%，匡门口水文站是清漳河的径流控制站。涉县行政区划及各水文站位置如下列图所示。二．降水量计算降水量是产生地表径流和补给地下水的主要来源，降水量的大小及时空变化间接反映一个地区的天然水资源状况。本次评价采用1956～2007年52年的同步期降水资料，主要计算各分区的同步期的年降水量、统计参数和不同频率的年降水量；分析计算多年平均连续最大四个月降水量占全年降水量的百分率及其发生月份，并推求不同频率的设计年降水月分配过程。2.1降水量资料2.1.1站点选择以雨量观测站资料质量较好、系列较长、面上分布较均匀且能反映地形变化影响等条件为原那么。本次评价选用刘家庄、匡门口、涉县站、偏城、郝赵、车谷、阳邑七站进行降水量降水量计算。境内雨量站平均站网密度为212.7km2/站。2.1.2资料插补延展在所给降水资料系列系列中，车谷、阳邑二站缺测了2004-2007年的数据，需要对其进行插补延展。距离这两个站较近的水文站为偏城站，可用偏城站的资料对这两个站的缺测资料进行插补。车谷和偏城的降水量关系曲线如下：由该关系曲线可以得到车谷站2004-2007年降水量分别为55.8mm、615.4mm、580.6mm、522.1mm。阳邑和偏城的降水量关系曲线如下：由该关系曲线可以得到阳邑站2004-2007年降水量分别为528.0mm、608.1mm、566.2mm、488.8mm。2.1.4资料审查资料的三性审查包括一致性、可靠性和代表性，具体审查如下：〔1〕对各雨量站资料分析与上游站同系列资料比照，各雨量站资料的一致性和可靠性都较好。〔2〕对涉县各雨量站降水资料的代表性分析采用年降水量模比系数差积过程线分析法。其中，差积曲线的绘制：1〕计算长系列参证站多年平均年降水量P以及各年降水量模比系数Ki=Pi/P；2〕将逐年的〔Ki-1〕依次累积，得到一系列Σ〔Ki-1〕。3〕以Σ〔Ki-1〕为纵坐标，以年份为横坐标，绘制逐年的Σ〔Ki-1〕与对应年份的关系曲线，即为年降水量模比系数差积曲线。涉县境内各水文站差积曲线计算表如下。站名刘家庄KiKi-1∑(Ki-1)站名匡门口KiKi-1∑(Ki-1)年份年份1956795.601.390.390.391956748.101.320.320.321957385.400.67-0.330.071957393.500.69-0.310.011958627.501.100.100.171958740.301.300.300.311959592.901.040.040.201959553.700.97-0.030.281960422.300.74-0.26-0.061960455.200.80-0.200.081961600.501.050.05-0.011961620.401.090.090.181962591.001.030.030.031962590.601.040.040.211963964.501.690.690.7219631096.301.930.931.141964751.801.320.321.031964665.401.170.171.311965382.900.67-0.330.701965376.900.66-0.340.981966724.801.270.270.971966523.000.92-0.080.901967636.201.110.111.081967747.501.310.311.211968330.900.58-0.420.661968467.100.82-0.181.031969370.400.65-0.350.311969489.300.86-0.140.891970508.000.89-0.110.201970434.900.76-0.240.661971639.001.120.120.321971649.301.140.140.801972476.700.83-0.170.151972544.700.96-0.040.761973860.201.510.510.661973828.801.460.461.221974485.600.85-0.150.511974560.500.99-0.011.201975636.201.110.110.621975726.801.280.281.481976687.001.200.200.821976594.801.050.051.531977544.900.95-0.050.781977369.100.65-0.351.181978447.700.78-0.220.561978404.700.71-0.290.891979404.000.71-0.290.271979421.900.74-0.260.631980421.700.74-0.260.011980440.200.77-0.230.401981412.300.72-0.28-0.271981361.400.64-0.360.041982622.701.090.09-0.1819821024.401.800.800.841983610.201.070.07-0.121983453.700.80-0.200.641984529.600.93-0.07-0.191984547.100.96-0.040.601985730.201.280.280.091985648.701.140.140.741986313.600.55-0.45-0.361986275.100.48-0.520.231987563.700.99-0.01-0.381987475.400.84-0.160.061988656.901.150.15-0.231988596.801.050.050.111989766.701.340.340.121989541.900.95-0.050.071990623.601.090.090.211990634.901.120.120.181991667.301.170.170.381991578.901.020.020.201992421.300.74-0.260.111992501.200.88-0.120.081993663.601.160.160.271993773.401.360.360.441994478.800.84-0.160.111994596.701.050.050.491995666.201.170.170.281995417.700.73-0.270.231996714.601.250.250.531996844.101.480.480.711997399.400.70-0.300.231997361.300.64-0.360.351998551.700.97-0.030.191998595.001.050.050.391999415.000.73-0.27-0.081999372.100.65-0.350.052000627.901.100.100.022000656.901.160.160.202001502.900.88-0.12-0.102001515.600.91-0.090.112002583.701.020.02-0.082002428.300.75-0.25-0.142003858.501.500.500.422003813.701.430.430.302004505.300.88-0.120.312004512.400.90-0.100.202005622.801.090.090.402005649.501.140.140.342006486.600.85-0.150.252006445.000.78-0.220.122007429.600.75-0.250.002007498.700.88-0.120.00其他五站计算表与之方法相同。根据上表所绘刘家庄、匡门口、涉县站、偏城、郝赵、车谷、阳邑七站年降水量模比系数差积曲线如下：2.2降水统计参数的分析与确定先用算术平均法计算出降水量多年平均值，然后利用用适线法推求降水量的Cv、Cs。具体适线过程如下：1.将逐年降水量xi由大到小排列2.计算出多年平均降水量3.分别计算ki，ki-1，(ki-1)2的值用P–Ⅲ型频率曲线软件绘制频率曲线图，并配出良好的P-Ⅲ型曲线刘家庄站降水量频率曲线计算表序号Xm*Pm=m/(n+1)*100%Km=Xm*/Km-1(Km-1)2(Km-1)31964.501.891.690.690.470.332860.203.771.510.510.260.133858.505.661.500.500.250.134795.607.551.390.390.150.065766.709.431.340.340.120.046751.8011.321.320.320.100.037730.2013.211.280.280.080.028724.8015.091.270.270.070.029714.6016.981.250.250.060.0210687.0018.871.200.200.040.0111667.3020.751.170.170.030.0012666.2022.641.170.170.030.0013663.6024.531.160.160.030.0014656.9026.421.150.150.020.0015639.0028.301.120.120.010.0016636.2030.191.110.110.010.0017636.2032.081.110.110.010.0018627.9033.961.100.100.010.0019627.5035.851.100.100.010.0020623.6037.741.090.090.010.0021622.8039.621.090.090.010.0022622.7041.511.090.090.010.0023610.2043.401.070.070.000.0024600.5045.281.050.050.000.0025592.9047.171.040.040.000.0026591.0049.061.030.030.000.0027583.7050.941.020.020.000.0028563.7052.830.99-0.010.000.0029551.7054.720.97-0.030.000.0030544.9056.600.95-0.050.000.0031529.6058.490.93-0.070.010.0032508.0060.380.89-0.110.010.0033505.3062.260.88-0.120.010.0034502.9064.150.88-0.120.010.0035486.6066.040.85-0.150.020.0036485.6067.920.85-0.150.020.0037478.8069.810.84-0.160.030.0038476.7071.700.83-0.170.030.0039447.7073.580.78-0.220.05-0.0140429.6075.470.75-0.250.06-0.0241422.3077.360.74-0.260.07-0.0242421.7079.250.74-0.260.07-0.0243421.3081.130.74-0.260.07-0.0244415.0083.020.73-0.270.07-0.0245412.3084.910.72-0.280.08-0.0246404.0086.790.71-0.290.09-0.0347399.4088.680.70-0.300.09-0.0348385.4090.570.67-0.330.11-0.0349382.9092.450.67-0.330.11-0.0450370.4094.340.65-0.350.12-0.0451330.9096.230.58-0.420.18-0.0752313.6098.110.55-0.450.20-0.09可得刘家庄降水量频率曲线如下列图所示。将频率为25%作为丰水年，数值为655mm。将频率为50%作为平水年，数值为550mm。将频率为75%作为枯水年，数值为460mm。降水量的Cv值为0.26，Cs值为0.54，Cs=2.08Cv。匡门口站降水量频率曲线图如下。将频率为25%作为丰水年，数值为650mm。将频率为50%作为平水年，数值为550mm。将频率为75%作为枯水年，数值为445mm。降水量的Cv值为0.30，Cs值为1.05，Cs=3.5Cv。涉县站降水量频率曲线图如下。将频率为25%作为丰水年，数值为650mm。将频率为50%作为平水年，数值为540mm。将频率为75%作为枯水年，数值为445mm。降水量的Cv值为0.28，Cs值为0.85，Cs=3.04Cv。偏城站降水量频率曲线图如下。将频率为25%作为丰水年，数值为710mm。将频率为50%作为平水年，数值为590mm。将频率为75%作为枯水年，数值为485mm。降水量的Cv值为0.28，Cs值为0.68，Cs=2.43Cv。郝赵站降水量频率曲线图如下。将频率为25%作为丰水年，数值为690mm。将频率为50%作为平水年，数值为550mm。将频率为75%作为枯水年，数值为450mm。降水量的Cv值为0.3，Cs值为0.99，Cs=3.3Cv。车谷站降水量频率曲线图如下。将频率为25%作为丰水年，数值为700mm。将频率为50%作为平水年，数值为560mm。将频率为75%作为枯水年，数值为450mm。降水量的Cv值为0.32，Cs值为1.42，Cs=4,。44Cv。阳邑站降水量频率曲线图如下。将频率为25%作为丰水年，数值为690mm。将频率为50%作为平水年，数值为550mm。将频率为75%作为枯水年，数值为425mm。降水量的Cv值为0.33，Cs值为0.87，Cs=2.64Cv。2.3分区年降水量的计算与分析2.3.1分区年降水量计算方法与成果水资源分区年降水量的计算，均采用泰森多边形法先求出各雨量站所占全县面积比重，再逐年进行加权计算，求出全县及各水资源分区的年降水量系列，最后将降水量系列进行了平衡，保证了计算结果的准确可靠。利用CAD软件对涉县地图按泰森多边形法进行分区，每个区中都有一个水文站。分区具体情由上图，利用CAD进行面积查询，可得刘家庄分区所占面积为全县5.7%，匡门口分区占13.4%，偏城分区占22%，涉县站分区占34.4%，郝赵分区占11.3%，车谷分区占4.6%，阳邑分区占8.6%。全县不同分区的各年和多年平均降水量及不同频率的降水量计算结果成果见下表。不同频率降水量计算结果汇总表〔单位：mm)站名刘家庄匡门口涉县偏城郝赵车谷阳邑涉县全县频率〔%〕25655650650710690700690673.750550550540590550560550555.875460445445485450450425453.7由1956～2007年52年系列的降水量计算结果可知，涉县丰水年〔频率为25%〕的降水量为673.7mm，平水年〔频率为50%〕降水量为555.8mm，枯水年〔频率为75%〕降水量为453.7mm。2.3.2降水量的年代变化利用同样的方法加权计算可得出涉县全县历年的降水量。具体计算如下表所示：涉县全县历年加权降水量站名刘家庄匡门口涉县站偏城郝赵车谷站阳邑站涉县全县年份1956795.60748.10754.00824.73758.42907.71174.6814.881957385.40393.50384.00424.91419.10489.9470.4410.621958627.50740.30601.90660.89750.95392.9857.6664.101959592.90553.70529.70627.16572.40598.8808.0589.90平均值619.881960422.30455.20471.30460.88478.14492.5434.9462.671961600.50620.40702.30706.00591.00498.5674.3661.981962591.00590.60545.20660.90614.10501.9431.6575.371963964.501096.301017.701235.001173.901345.41073.71110.551964751.80665.40719.10834.30681.40676.7770.5737.321965382.90376.90355.40343.20328.40334.0320.5350.131966724.80523.00603.50707.40484.40698.8591.9612.411967636.20747.50705.80669.50654.30630.4586.4679.881968330.90467.10487.00560.80388.80517.8617.3493.201969370.40489.30471.80629.40571.30553.7572.0526.67平均值621.021970508.00434.90479.80624.80396.30485.2485.5498.591971639.00649.30810.80766.80725.50680.5728.7746.991972476.70544.70539.00370.10561.00327.3424.1481.921973860.20828.80796.50867.70901.70892.6906.4845.881974485.60560.50469.90449.90554.60428.1422.7482.121975636.20726.80670.70626.90670.80637.9584.3657.691976687.00594.80587.00629.10643.90694.3722.0625.981977544.90369.10421.20509.70510.70664.0417.6461.711978447.70404.70342.70334.90410.70564.3363.9374.981979404.00421.90344.60438.80419.10415.5409.1396.29平均值557.221980421.70440.20473.70456.50485.70479.3363.0454.561981412.30361.40333.70419.90329.30448.2308.6363.471982622.701024.40790.10663.20989.40805.5809.4808.931983610.20453.70475.20577.60503.30419.6438.1499.971984529.60547.10586.10526.20600.60547.7558.3561.961985730.20648.70613.60677.90698.00706.4621.8653.611986313.60275.10335.90331.30290.60301.1286.0314.461987563.70475.40495.50654.40531.60612.9643.5553.861988656.90596.80660.70740.50685.60769.0578.4670.191989766.70541.90571.70736.40518.90671.2719.0626.33平均值550.731990623.60634.90601.60784.50738.50713.3701.7676.771991667.30578.90626.20616.70613.50736.9716.7631.551992421.30501.20398.00487.30457.10382.2382.3437.401993663.60773.40637.30678.00771.80662.1556.1675.351994478.80596.70444.70534.30671.30550.0379.8511.591995666.20417.70491.30663.30441.20642.8574.0537.671996714.60844.10760.20780.70780.70854.3742.7778.491997399.40361.30377.20456.00456.00488.2402.0409.811998551.70595.00609.40576.50585.50651.7583.5593.961999415.00372.10409.60371.80371.80494.3305.2387.21平均值563.982000627.90656.90622.30707.30707.30976.5777.0685.162001502.90515.60459.40505.90505.90600.6456.5491.142002583.70428.30504.50619.20481.20611.9458.9522.422003858.50813.70795.30758.80764.20691.3662.8773.642004505.30512.40471.30540.00499.90550.8528.0505.622005622.80649.50607.60613.60635.30615.4608.1618.932006486.60445.00527.90574.90582.50580.6566.2536.672007429.60498.70431.40504.70544.00522.1488.8478.27平均值576.48由上表可以得出如下结果：涉县全县年代平均降水量均值比多年平均577.320.00%50年代619.887.37%60年代621.027.57%70年代557.22-3.48%80年代550.73-4.61%90年代563.98-2.31%00年后576.48-0.15%由上表可以看出，不同年代平均降水量与多年平均降水量相比大致如下：全县五十年代和六十年代降水处于丰水期，平均降水量分别比多年平均年降水量多7.37%、7.57%。七十年代到07年为偏枯水期，平均降水量分别比多年平均水量小3.48%、4.61%、2.31%、0.15%。三．地表水资源数量评价涉县境内有多个代表站，所以将该区域按气候、地形、地貌等条件划分为三个分区，分别为清漳河匡门口以上分区、滏阳河分区、天匡观分区。其中，清漳河匡门口以上分区面积为873km2，滏阳河分区面积为256km2,天匡观分区面积为360km2。3.1涉县地区径流量计算步骤3.1.1清漳河匡门口以上分区径流量计算3.1.1.1复原计算因为漳北、漳西、漳南等支流的存在，清漳河的既有径流量资料不能完全反映其天然状态，因此需要进行复原计算。a、对于刘家庄站，进行复原计算时需要考虑漳北、漳西两条支流。复原后的径流量:WL=W实+Wa+Wb其中，W实——清漳河实测径流量Wa——漳北渠的径流量Wb——漳西渠的径流量以1956年为例，WL=5.37+0+0.005=5.375亿立方米b、对于匡门口站，进行复原计算时需要考虑漳北、漳西、漳南三条支流。复原后的径流量：Wk=W实+Wa+Wb+Wc其中，W实——清漳河实测径流量Wa——漳北渠的径流量Wb——漳西渠的径流量Wc——漳南渠的径流量3.1.1.2逐年径流量计算在清漳河匡门口以上分区有刘家庄、匡门口两个水文监测站，各自拥有从1956-2007年的流量资料系列。所以采用这两个站的资料系列来进行该分区逐年径流量计算。W匡上=〔Wk-WL〕×F匡上/(F匡–F刘)其中，W匡上——清漳河匡门口以上分区径流量Wk、WL——匡门口站、刘家庄站复原后的径流量F匡上——清漳河匡门口以上分区面积F匡、F刘——匡门口站、刘家庄站控制流域面积最后求出逐年径流量的平均值清漳河匡门口以上分区径流量计算表年份刘家庄漳北漳西匡门口漳南渠刘家庄复原匡门口复原匡门口以上分区19565.3700.0058.1360.0245.3758.1651.93319571.6000.0292.9490.0271.6293.0040.95319582.1000.0293.6580.0272.1293.7141.09819593.4480.0295.2350.0353.4775.2991.26219601.6970.0000.0153.0340.0351.7123.0840.95019611.9090.2610.0153.4060.0392.1853.7201.06419622.5110.2770.0164.1630.0422.8044.4981.174196313.0200.2400.01618.1960.03513.27618.4883.61119645.8220.3910.0199.3350.0336.2329.7772.45719651.3780.3630.0223.3430.0341.7633.7621.38519664.5880.5150.0156.4020.0345.1186.9661.28019674.5000.5970.0196.8430.0425.1167.5011.65319681.5800.5420.0353.1850.0462.1573.8071.14419692.0000.5210.0493.2480.0422.5703.8600.89419702.5100.5510.0292.9990.0393.0903.6170.36619713.9300.8450.0226.1180.0374.7977.0221.54119721.1000.7830.0232.3080.0341.9063.1480.86119735.7200.7780.0228.4830.0346.5209.3181.93819741.4000.7200.0283.1540.0392.1483.9401.24219751.8470.8060.0263.5320.0422.6794.4061.19719763.3990.8440.0266.0230.0444.2696.9371.84919773.9200.6670.0305.9290.0644.6176.6901.43619781.7900.6930.0363.1540.0412.5193.9240.97319790.6130.6380.0371.5450.0481.2882.2690.67919800.3550.5140.0291.0380.0380.8981.6180.49919810.7480.4450.0281.3180.0401.2211.8310.42319822.2200.5200.0404.8250.0442.7805.4291.83619830.8220.4190.0512.3180.0561.2922.8441.07519840.7890.4330.0581.6840.0581.2802.2330.66019852.4340.4940.0614.1000.0332.9894.6871.17719860.4420.4570.1451.3500.0521.0442.0040.66519870.3710.5360.1120.9840.0311.0191.6630.44619884.1710.5320.1056.6860.0304.8077.3521.76319891.0100.5720.1133.1350.0241.6953.8441.48919902.0360.5680.0923.6580.0342.6964.3521.14719910.6950.5250.0982.4250.0381.3173.0851.22519920.4090.5530.0751.3280.0381.0371.9940.66319931.1500.4760.0312.6550.0371.6573.1991.06919940.4050.3820.0961.5520.0310.8832.0610.81619951.2660.4330.0922.3620.0421.7902.9290.78919966.3660.3230.0959.6500.0306.78410.0982.29619970.7900.3750.0692.1760.0361.2342.6560.98619980.4870.4830.0671.8640.0391.0372.4520.98119990.1640.3820.0590.9710.0290.6051.4420.58020000.8790.3310.0221.9800.0131.2322.3460.77220010.6000.4000.0581.6400.0201.0582.1180.73520020.7000.5080.1021.8700.0291.3102.5090.83120031.5600.5580.0083.5800.0232.1264.1681.41520040.6400.7640.1202.4500.0311.5243.3661.27620050.8600.6500.1342.2700.0531.6443.1071.01320061.0000.7140.0802.7800.0521.7943.6261.27020070.6400.7350.2001.9500.0561.5752.9410.946平均值1.1883.1.2滏阳河分区径流量计算滏阳河分区位于涉县东北部，属南洺河支流控制区，该区包括青塔、木井、西戌、龙虎四个乡镇，及偏城、鹿头、偏店的一小局部，面积256km2，主要由偏城、车谷、阳邑三个雨量站和青塔水库入库径流站。在该分区中，只有一个代表站，即青塔水库入库径流站。该站控制流域产流条件与滏阳河分区根本相同，因此，可以用下式计算滏阳河分区的逐年径流量：Wd=Fd/Fr×Wr式中，Wd、Wr——滏阳河分区、青塔水库年径流量Fd、Fr——滏阳河分区面积、青塔水库控制流域面积最后求出逐年径流量的平均值。滏阳河分区径流量计算表年份青塔滏阳河分区年份青塔滏阳河分区年份青塔滏阳河分区19560.3661.23319740.0350.11819920.010.03419570.0350.11819750.0280.09419930.0650.21919580.0980.33019760.0630.21219940.0090.03019590.060.20219770.0440.14819950.060.20219600.0220.07419780.0190.06419960.1830.61619610.0190.06419790.0090.03019970.0170.05719620.0160.05419800.0090.03019980.020.06719630.5171.74119810.0350.11819990.0350.11819640.1140.38419820.1480.49920000.090.30319650.0130.04419830.0090.03020010.0410.13819660.0570.19219840.0160.05420020.0090.03019670.050.16819850.0320.10820030.0470.15819680.0440.14819860.0030.01020040.0350.11819690.0280.09419870.0090.03020050.0260.08819700.0160.05419880.0980.33020060.0210.07119710.060.20219890.0470.15820070.0120.04019720.0090.03019900.0590.199平均值0.19919730.1770.59619910.0290.0983.1.3天匡观分区径流量计算该区位于涉县南端，浊漳河、漳河是涉县与河南省林县的界河，面积360km2。区域内主要有天桥断、匡门口、观台三个水文监测站。在资料中只给出了匡门口站的径流资料，以匡门口站代表该分区进行径流量计算。可以用下式计算天匡观分区逐年径流量：Wt=Ft/Fk×Wk式中，Wt、Wk——天匡观分区、匡门口站年径流量Ft、Fk——天匡观分区面积、匡门口站控制流域面积最后求出逐年径流量的平均值。天匡观分区径流量计算表年份匡门口复原天匡观分区年份匡门口复原天匡观分区年份匡门口复原天匡观分区19568.1650.58119743.9400.28019921.9940.14219573.0040.21419754.4060.31319933.1990.22819583.7140.26419766.9370.49419942.0610.14719595.2990.37719776.6900.47619952.9290.20819603.0840.21919783.9240.279199610.0980.71819613.7200.26519792.2690.16119972.6560.18919624.4980.32019801.6180.11519982.4520.174196318.4881.31519811.8310.13019991.4420.10319649.7770.69619825.4290.38620002.3460.16719653.7620.26819832.8440.20220012.1180.15119666.9660.49619842.2330.15920022.5090.17819677.5010.53419854.6870.33320034.1680.29719683.8070.27119862.0040.14320043.3660.23919693.8600.27519871.6630.11820053.1070.22119703.6170.25719887.3520.52320063.6260.25819717.0220.50019893.8440.27320072.9410.20919723.1480.22419904.3520.310平均值0.31319739.3180.66319913.0850.2203.1.4涉县地区径流量计算在计算过程中，将整个涉县地区进行了分区。因此，涉县地区的总地表径流量：W涉县=W匡上+Wd+Wt其中，W涉县——涉县地区总径流量Wd——滏阳河分区的径流量W匡上——分区的径流量Wt——天匡观分区的径流量对逐年流量求平均值，可得涉县地区多年平均径流量。涉县全县径流量计算表年份匡门口以上分区滏阳河分区天匡观分区涉县全县19561.9331.2330.5813.74719570.9530.1180.2141.28519581.0980.3300.2641.69319591.2620.2020.3771.84119600.9500.0740.2191.24419611.0640.0640.2651.39219621.1740.0540.3201.54719633.6111.7411.3156.66719642.4570.3840.6963.53619651.3850.0440.2681.69619661.2800.1920.4961.96819671.6530.1680.5342.35519681.1440.1480.2711.56319690.8940.0940.2751.26319700.3660.0540.2570.67719711.5410.2020.5002.24319720.8610.0300.2241.11519731.9380.5960.6633.19719741.2420.1180.2801.64019751.1970.0940.3131.60419761.8490.2120.4942.55519771.4360.1480.4762.06019780.9730.0640.2791.31619790.6790.0300.1610.87119800.4990.0300.1150.64419810.4230.1180.1300.67119821.8360.4990.3862.72019831.0750.0300.2021.30819840.6600.0540.1590.87319851.1770.1080.3331.61819860.6650.0100.1430.81819870.4460.0300.1180.59519881.7630.3300.5232.61619891.4890.1580.2731.92119901.1470.1990.3101.65619911.2250.0980.2201.54219920.6630.0340.1420.83819931.0690.2190.2281.51519940.8160.0300.1470.99319950.7890.2020.2081.19919962.2960.6160.7183.63119970.9860.0570.1891.23219980.9810.0670.1741.22319990.5800.1180.1030.80020000.7720.3030.1671.24220010.7350.1380.1511.02320020.8310.0300.1781.04020031.4150.1580.2971.87020041.2760.1180.2391.63320051.0130.0880.2211.32220061.2700.0710.2581.59820070.9460.0400.2091.196平均值1.700四．涉县地区地表水资源数量评价地表水资源量是指河流、湖泊等地表水中由降水形成的多年可更新的动态水量，用天然河川径流量表示。4.1地表水资源数量评价成果经计算，涉县地区多年平均径流量为1.700亿立方米。通过全县1956—2007年地表水径流量系列进行频率计算，计算过程如下表所示。涉县全县多年径流量频率计算表序号Xm*Pm=m/(n+1)*100%Km=Xm*/Km-1(Km-1)2(Km-1)316.6671.8873.9222.9228.53824.94923.7473.7742.2041.2041.4501.74633.6315.6602.1361.1361.2901.46643.5367.5472.0801.0801.1671.26053.1979.4341.8810.8810.7760.68362.72011.3211.6000.6000.3600.21672.61613.2081.5390.5390.2910.15782.55515.0941.5030.5030.2530.12792.35516.9811.3850.3850.1480.057102.24318.8681.3200.3200.1020.033112.06020.7551.2120.2120.0450.0