@techreport{fdi:010018195, title = {{A}cquisition, transmission and automatic realtime processing of hydrometric data}, author = {{P}ouyaud, {B}ernard and {L}e {B}arb{\'e}, {L}uc}, editor = {}, language = {{ENG}}, abstract = {{T}he western extension of the {W}orld {H}ealth {O}rganization ({WHO}) project to combat onchocerciasis (river blindness), mainly in {G}uinea, calls for realtime access to flow level data concerning the rivers to be treated. {T}he correct amount of larvicide to be applied, as a function of flow, can thus be calculated. {T}he {A}rgos system was chosen for data transmission. {T}he transmitter is connected to water depth measurement hardware produced by {E}lsyde and {CEIS}-{E}space and designed around a relative piezoelectric sensor and an {EPROM}-based data storage unit. {T}his unit stores the hydrometric data and transmits messages containing the last 15 water depth measurements made on the hour and half-hour. {T}he direct readout station contains a microcomputer which inputs data to the hydrometric data bank in realtime and is itself connected to a second microcomputer. {T}his converts water depths into flow terms and makes a prediction, either by correlation or by inter-station analysis, of the flow at each relevant position over the coming five or ten hours. {I}t also calculates the concentration of insecticide to apply to each stretch of the river. {O}nly by automating the acquisition, data transmission, and flow prediction functions can the program be conducted on an operational basis at low cost.}, keywords = {{HYDROMETRIE} ; {ACQUISITION} {DE} {DONNEES} ; {TRANSMISSION} {DE} {DONNEES} ; {TELETRANSMISSION} ; {TRAITEMENT} {DE} {DONNEES} ; {EQUIPEMENT} {DE} {COLLECTE} ; {INSECTE} ; {PARASITE} ; {ONCHOCERCOSE} ; {LUTTE} {ANTIINSECTE} ; {BALISE} {ARGOS} ; {AFRIQUE} {DE} {L}'{OUEST}}, address = {{M}ontpellier}, publisher = {{ORSTOM}}, series = {}, pages = {4 multigr.}, year = {1986}, URL = {https://www.documentation.ird.fr/hor/fdi:010018195}, }