PSLS Webinars

PSLS has scheduled live webinars for the third Wednesday of each month at noon. Sessions last one hour unless noted otherwise and many offer one Professional Development Hour. Check back for updates and to register for the latest webinar. 

Members of professional organizations in the geospatial or related fields (NSPS, AAGS, GLIS, PSPE) may receive a discount equal to the PSLS member discount. Please contact PSLS at 717-540-6811.

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Webinar Wednesday: 

Title: Travel Time Methods for Stormwater Management

Presented by: Dr. Thomas A. Seybert

Date: September 21, 2016

Time: 12:00 PM


  • PSLS Members : $35
  • Non-Members: $50
  • Member of  Other  Professional Organization: $35
Click here to register

Description: This webinar covers the topics of travel time and time of concentration as used in the context of stormwater management for land development design. Timing calculations are very important in stormwater analysis since timing directly affects the determination of peak flows for pipe design and hydrograph flows for detention design. Several travel time methods will be presented, however, the NRCS segmental method will be emphasized. This method breaks flow paths into segments of sheet flow, concentrated overland flow and in-channel/pipe flow as appropriate. Example calculations using the NRCS segmental method will be illustrated.

SpeakerTHOMAS A. SEYBERT, PE, Ph.D. is Professor Emeritus of Engineering at Penn State Wilkes-Barre. While teaching at Penn State Wilkes-Barre, he was responsible for the delivery of the stormwater management and land development design courses in the baccalaureate surveying program. He was also responsible for the introductory course in surveying taught to both associate and baccalaureate degree students. His research and consulting interests include mitigation of stormwater runoff issues and watershed protection planning. He is the author of the book “Stormwater Management for Land Development Design.” He is actively involved in continuing and distance education efforts in both surveying and engineering. He has participated in the annual Pennsylvania Surveyors' Conference since 1991 and he is the current chairperson of the annual Penn State short course "Computational Methods in Stormwater Management." He received his B.S., M.S. and Ph.D. degrees in Civil Engineering from Penn State. He is a registered professional engineer in Pennsylvania.

Note: Members of other Professional societies such as PSPE, NSPS, ACSM, or other state surveying societies may register at the discounted price. In order to receive the necessary code, registrants must contact PSLS with proof of membership. 

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