Hydrological modelling and water balance of the Negro River basin: evaluation based on in situ and spatial altimetry data
Identifieur interne : 001534 ( Main/Exploration ); précédent : 001533; suivant : 001535Hydrological modelling and water balance of the Negro River basin: evaluation based on in situ and spatial altimetry data
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Abstract
This study intends to bridge the gap between global- and local-scale hydrological studies in the Amazon basin by assessing the hydrological response of the Negro basin. The large basin model from the Institute of Hydraulic Research (MGB-IPH hydrological model) has been used to simulate the hydrological processes over the basin during the period 1997-2006. The model was forced with a precipitation field for the Amazon basin derived from the Hybam observatory and climatological data provided by NCEP. Calibration and validation procedures were developed based on daily discharge datasets from 22 gauge stations. In addition, this paper focusses on ENVISAT spatial altimetry data from 27 virtual stations (VS). The spatial altimetry datasets were used as a complement to the model validation. For each computational cell, water heights could be derived from a robust discharge x height relationship generalized to most parts of the basin. The modelled discharges and water heights feature adequate performance levels at gauge and VS along the main river and tributaries with drainage areas varying from 5900 to 712500 km2. Nash-Sutcliffe coefficients of modelled discharges varied from 0-47 to 0.94 and correlation coefficients of water heights averaged 0.86 for the entire basin. According to the water balance provided by the model, the amount of precipitation received over the basin is 7.2 mm day-1 during the study period with an evapotranspiration (ET) rate of 3.2 mm day-1. The model could also capture the different ET rates over the basin, as presented in previous studies. Results suggest relatively low ET values in the Northern basin, in the Roraima State, of about 3.1 mm day-1. and higher values near Manaus (3.8 mm day-1).
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Hydrological modelling and water balance of the Negro River basin: evaluation based on in situ and spatial altimetry data</title><author><name sortKey="Getirana, A C V" uniqKey="Getirana A">A. C. V. Getirana</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Universidade Federal do Rio de Janeiro, Programa de Engenharia Civil</s1><s2>Rio de Janeiro</s2><s3>BRA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>Brésil</country><placeName><settlement type="city">Rio de Janeiro</settlement><region type="state">État de Rio de Janeiro</region></placeName></affiliation><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Université de Toulouse, UPS (OMP), IRD, LMTG</s1><s2>Toulouse</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>France</country><placeName><region type="région">Midi-Pyrénées</region><settlement type="city">Toulouse</settlement></placeName></affiliation></author><author><name sortKey="Bonnet, M P" uniqKey="Bonnet M">M.-P. Bonnet</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Université de Toulouse, UPS (OMP), IRD, LMTG</s1><s2>Toulouse</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>France</country><placeName><region type="région">Midi-Pyrénées</region><settlement type="city">Toulouse</settlement></placeName></affiliation></author><author><name sortKey="Rotunno Filho, O C" uniqKey="Rotunno Filho O">O. C. Rotunno Filho</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Universidade Federal do Rio de Janeiro, Programa de Engenharia Civil</s1><s2>Rio de Janeiro</s2><s3>BRA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>Brésil</country><placeName><settlement type="city">Rio de Janeiro</settlement><region type="state">État de Rio de Janeiro</region></placeName></affiliation></author><author><name sortKey="Collischonn, W" uniqKey="Collischonn W">W. Collischonn</name><affiliation wicri:level="3"><inist:fA14 i1="03"><s1>Univenidade Federal do Rio Grande do Sui, Instituto de Pesquitas Hidraulicas</s1><s2>Porto Alegre</s2><s3>BRA</s3><sZ>4 aut.</sZ></inist:fA14><country>Brésil</country><placeName><settlement type="city">Porto Alegre</settlement><region type="state">Rio Grande do Sul</region></placeName></affiliation></author><author><name sortKey="Guyot, J L" uniqKey="Guyot J">J.-L. Guyot</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Université de Toulouse, UPS (OMP), IRD, LMTG</s1><s2>Toulouse</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>France</country><placeName><region type="région">Midi-Pyrénées</region><settlement type="city">Toulouse</settlement></placeName></affiliation></author><author><name sortKey="Seyler, F" uniqKey="Seyler F">F. Seyler</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Université de Toulouse, UPS (OMP), IRD, LMTG</s1><s2>Toulouse</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>France</country><placeName><region type="région">Midi-Pyrénées</region><settlement type="city">Toulouse</settlement></placeName></affiliation></author><author><name sortKey="Mansur, W J" uniqKey="Mansur W">W. J. Mansur</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Universidade Federal do Rio de Janeiro, Programa de Engenharia Civil</s1><s2>Rio de Janeiro</s2><s3>BRA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>Brésil</country><placeName><settlement type="city">Rio de Janeiro</settlement><region type="state">État de Rio de Janeiro</region></placeName></affiliation></author></titleStmt><publicationStmt><idno type="inist">11-0065687</idno><date when="2010">2010</date><idno type="stanalyst">PASCAL 11-0065687 INIST</idno><idno type="RBID">Pascal:11-0065687</idno><idno type="wicri:Area/Main/Corpus">001316</idno><idno type="wicri:Area/Main/Curation">001579</idno><idno type="wicri:Area/Main/Exploration">001534</idno></publicationStmt><seriesStmt><idno type="ISSN">0885-6087</idno><title level="j" type="abbreviated">Hydrol. process.</title><title level="j" type="main">Hydrological processes</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Amazon Basin</term><term>Brazil</term><term>Rio Negro</term><term>altimetry</term><term>atmospheric precipitation</term><term>calibration</term><term>correlation coefficient</term><term>drainage</term><term>evapotranspiration</term><term>hydraulics</term><term>hydrological modeling</term><term>performances</term><term>river discharge</term><term>tributaries</term><term>water balance</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Bilan eau</term><term>Précipitation atmosphérique</term><term>Altimétrie</term><term>Débit rivière</term><term>Hydraulique</term><term>Etalonnage</term><term>Performance</term><term>Affluent</term><term>Drainage</term><term>Coefficient corrélation</term><term>Evapotranspiration</term><term>Modèle hydrologique</term><term>Rio Negro</term><term>Bassin Amazone</term><term>Brésil</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Brésil</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Drainage</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This study intends to bridge the gap between global- and local-scale hydrological studies in the Amazon basin by assessing the hydrological response of the Negro basin. The large basin model from the Institute of Hydraulic Research (MGB-IPH hydrological model) has been used to simulate the hydrological processes over the basin during the period 1997-2006. The model was forced with a precipitation field for the Amazon basin derived from the Hybam observatory and climatological data provided by NCEP. Calibration and validation procedures were developed based on daily discharge datasets from 22 gauge stations. In addition, this paper focusses on ENVISAT spatial altimetry data from 27 virtual stations (VS). The spatial altimetry datasets were used as a complement to the model validation. For each computational cell, water heights could be derived from a robust discharge x height relationship generalized to most parts of the basin. The modelled discharges and water heights feature adequate performance levels at gauge and VS along the main river and tributaries with drainage areas varying from 5900 to 712500 km<sup>2</sup>. Nash-Sutcliffe coefficients of modelled discharges varied from 0-47 to 0.94 and correlation coefficients of water heights averaged 0.86 for the entire basin. According to the water balance provided by the model, the amount of precipitation received over the basin is 7.2 mm day<sup>-1</sup> during the study period with an evapotranspiration (ET) rate of 3.2 mm day<sup>-1</sup>. The model could also capture the different ET rates over the basin, as presented in previous studies. Results suggest relatively low ET values in the Northern basin, in the Roraima State, of about 3.1 mm day<sup>-1</sup>. and higher values near Manaus (3.8 mm day<sup>-1</sup>).</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0885-6087</s0></fA01><fA02 i1="01"><s0>HYPRE3</s0></fA02><fA03 i2="1"><s0>Hydrol. process.</s0></fA03><fA05><s2>24</s2></fA05><fA06><s2>22</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Hydrological modelling and water balance of the Negro River basin: evaluation based on in situ and spatial altimetry data</s1></fA08><fA11 i1="01" i2="1"><s1>GETIRANA (A. C. V.)</s1></fA11><fA11 i1="02" i2="1"><s1>BONNET (M.-P.)</s1></fA11><fA11 i1="03" i2="1"><s1>ROTUNNO FILHO (O. C.)</s1></fA11><fA11 i1="04" i2="1"><s1>COLLISCHONN (W.)</s1></fA11><fA11 i1="05" i2="1"><s1>GUYOT (J.-L.)</s1></fA11><fA11 i1="06" i2="1"><s1>SEYLER (F.)</s1></fA11><fA11 i1="07" i2="1"><s1>MANSUR (W. J.)</s1></fA11><fA14 i1="01"><s1>Universidade Federal do Rio de Janeiro, Programa de Engenharia Civil</s1><s2>Rio de Janeiro</s2><s3>BRA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>7 aut.</sZ></fA14><fA14 i1="02"><s1>Université de Toulouse, UPS (OMP), IRD, LMTG</s1><s2>Toulouse</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></fA14><fA14 i1="03"><s1>Univenidade Federal do Rio Grande do Sui, Instituto de Pesquitas Hidraulicas</s1><s2>Porto Alegre</s2><s3>BRA</s3><sZ>4 aut.</sZ></fA14><fA20><s1>3219-3236</s1></fA20><fA21><s1>2010</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>21671</s2><s5>354000193240530070</s5></fA43><fA44><s0>0000</s0><s1>© 2011 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>1 p.1/2</s0></fA45><fA47 i1="01" i2="1"><s0>11-0065687</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Hydrological processes</s0></fA64><fA66 i1="01"><s0>GBR</s0></fA66><fC01 i1="01" l="ENG"><s0>This study intends to bridge the gap between global- and local-scale hydrological studies in the Amazon basin by assessing the hydrological response of the Negro basin. The large basin model from the Institute of Hydraulic Research (MGB-IPH hydrological model) has been used to simulate the hydrological processes over the basin during the period 1997-2006. The model was forced with a precipitation field for the Amazon basin derived from the Hybam observatory and climatological data provided by NCEP. Calibration and validation procedures were developed based on daily discharge datasets from 22 gauge stations. In addition, this paper focusses on ENVISAT spatial altimetry data from 27 virtual stations (VS). The spatial altimetry datasets were used as a complement to the model validation. For each computational cell, water heights could be derived from a robust discharge x height relationship generalized to most parts of the basin. The modelled discharges and water heights feature adequate performance levels at gauge and VS along the main river and tributaries with drainage areas varying from 5900 to 712500 km<sup>2</sup>. Nash-Sutcliffe coefficients of modelled discharges varied from 0-47 to 0.94 and correlation coefficients of water heights averaged 0.86 for the entire basin. According to the water balance provided by the model, the amount of precipitation received over the basin is 7.2 mm day<sup>-1</sup> during the study period with an evapotranspiration (ET) rate of 3.2 mm day<sup>-1</sup>. The model could also capture the different ET rates over the basin, as presented in previous studies. Results suggest relatively low ET values in the Northern basin, in the Roraima State, of about 3.1 mm day<sup>-1</sup>. and higher values near Manaus (3.8 mm day<sup>-1</sup>).</s0></fC01><fC02 i1="01" i2="2"><s0>001E01N01</s0></fC02><fC02 i1="02" i2="2"><s0>226A01</s0></fC02><fC03 i1="01" i2="2" l="FRE"><s0>Bilan eau</s0><s5>02</s5></fC03><fC03 i1="01" i2="2" l="ENG"><s0>water balance</s0><s5>02</s5></fC03><fC03 i1="01" i2="2" l="SPA"><s0>Balance agua</s0><s5>02</s5></fC03><fC03 i1="02" i2="2" l="FRE"><s0>Précipitation atmosphérique</s0><s5>03</s5></fC03><fC03 i1="02" i2="2" l="ENG"><s0>atmospheric precipitation</s0><s5>03</s5></fC03><fC03 i1="02" i2="2" l="SPA"><s0>Precipitación atmosférica</s0><s5>03</s5></fC03><fC03 i1="03" i2="2" l="FRE"><s0>Altimétrie</s0><s5>04</s5></fC03><fC03 i1="03" i2="2" l="ENG"><s0>altimetry</s0><s5>04</s5></fC03><fC03 i1="03" i2="2" l="SPA"><s0>Altimetría</s0><s5>04</s5></fC03><fC03 i1="04" i2="2" l="FRE"><s0>Débit rivière</s0><s5>05</s5></fC03><fC03 i1="04" i2="2" l="ENG"><s0>river discharge</s0><s5>05</s5></fC03><fC03 i1="04" i2="2" l="SPA"><s0>Caudal río</s0><s5>05</s5></fC03><fC03 i1="05" i2="2" l="FRE"><s0>Hydraulique</s0><s5>07</s5></fC03><fC03 i1="05" i2="2" l="ENG"><s0>hydraulics</s0><s5>07</s5></fC03><fC03 i1="05" i2="2" l="SPA"><s0>Hidraúlica</s0><s5>07</s5></fC03><fC03 i1="06" i2="2" l="FRE"><s0>Etalonnage</s0><s5>10</s5></fC03><fC03 i1="06" i2="2" l="ENG"><s0>calibration</s0><s5>10</s5></fC03><fC03 i1="06" i2="2" l="SPA"><s0>Contraste</s0><s5>10</s5></fC03><fC03 i1="07" i2="2" l="FRE"><s0>Performance</s0><s5>12</s5></fC03><fC03 i1="07" i2="2" l="ENG"><s0>performances</s0><s5>12</s5></fC03><fC03 i1="08" i2="2" l="FRE"><s0>Affluent</s0><s5>13</s5></fC03><fC03 i1="08" i2="2" l="ENG"><s0>tributaries</s0><s5>13</s5></fC03><fC03 i1="09" i2="2" l="FRE"><s0>Drainage</s0><s5>14</s5></fC03><fC03 i1="09" i2="2" l="ENG"><s0>drainage</s0><s5>14</s5></fC03><fC03 i1="10" i2="2" l="FRE"><s0>Coefficient corrélation</s0><s5>15</s5></fC03><fC03 i1="10" i2="2" l="ENG"><s0>correlation coefficient</s0><s5>15</s5></fC03><fC03 i1="10" i2="2" l="SPA"><s0>Coeficiente correlación</s0><s5>15</s5></fC03><fC03 i1="11" i2="2" l="FRE"><s0>Evapotranspiration</s0><s5>16</s5></fC03><fC03 i1="11" i2="2" l="ENG"><s0>evapotranspiration</s0><s5>16</s5></fC03><fC03 i1="11" i2="2" l="SPA"><s0>Evapotranspiración</s0><s5>16</s5></fC03><fC03 i1="12" i2="2" l="FRE"><s0>Modèle hydrologique</s0><s5>17</s5></fC03><fC03 i1="12" i2="2" l="ENG"><s0>hydrological modeling</s0><s5>17</s5></fC03><fC03 i1="13" i2="2" l="FRE"><s0>Rio Negro</s0><s2>NG</s2><s5>61</s5></fC03><fC03 i1="13" i2="2" l="ENG"><s0>Rio Negro</s0><s2>NG</s2><s5>61</s5></fC03><fC03 i1="14" i2="2" l="FRE"><s0>Bassin Amazone</s0><s2>NG</s2><s5>62</s5></fC03><fC03 i1="14" i2="2" l="ENG"><s0>Amazon Basin</s0><s2>NG</s2><s5>62</s5></fC03><fC03 i1="14" i2="2" l="SPA"><s0>Cuenca Amazonas</s0><s2>NG</s2><s5>62</s5></fC03><fC03 i1="15" i2="2" l="FRE"><s0>Brésil</s0><s2>NG</s2><s5>63</s5></fC03><fC03 i1="15" i2="2" l="ENG"><s0>Brazil</s0><s2>NG</s2><s5>63</s5></fC03><fC03 i1="15" i2="2" l="SPA"><s0>Brasil</s0><s2>NG</s2><s5>63</s5></fC03><fC07 i1="01" i2="2" l="FRE"><s0>Amérique du Sud</s0><s2>564</s2></fC07><fC07 i1="01" i2="2" l="ENG"><s0>South America</s0><s2>564</s2></fC07><fC07 i1="01" i2="2" l="SPA"><s0>America del sur</s0><s2>564</s2></fC07><fN21><s1>045</s1></fN21></pA></standard></inist></record>Pour manipuler ce document sous Unix (Dilib)
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