Hydroperiod definition

Hydroperiod means the duration and range of elevation of inundation in a wetland.
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Hydroperiod means the seasonal occurrence of flooding and/or soil saturation; it encompasses depth, frequency, duration, and seasonal pattern of inundation.
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Hydroperiod means the duration of inundation in a wetland.
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Examples of Hydroperiod in a sentence

  • Hydroperiod (seasonal depth, duration, and timing of inundation and/or saturation), percent open water.

  • Hydroperiod (seasonal depth, duration, and timing of inundation and saturation), percent open water, water velocity.

  • Hydroperiod monitoring shall be required semi-annually in selected preserved wetlands and initiated prior to on-site construction activity and continued for three years for herbaceous wetlands or five years for forested wetlands following buildout of the subbasin surrounding each wetland monitored.

  • Comply with I-C.4, Wetland Hydroperiod Protection, presented in Appendix I-26 C of Ecology’s Stormwater Management Manual for Western Washington (Ecology 2019).27 Projects triggering Method 1 shall refer to I-C-5, Wetland Hydroperiod28 Data Collection and Evaluation Procedures, presented in Appendix I-C of Ecology’s Stormwater29 Management Manual for Western Washington (Ecology 2019) for additional guidance.30 d.

  • Hydroperiod monitoring shall be initiated by the Applicant for any wetland showing signs of hydroperiod alteration to determine proper remedial actions, subject to review and approval by Sarasota County Environmental Services Resource Protection.

  • Hydroperiod, sediment supply, and peat production via plant growth interact to govern wetland sustainability and function.

  • Hydroperiod - The range and duration of water levels in a surface water body, including wetlands.

  • Hydroperiod affects invertebratecommunity composition, abundance, biomass, and biological production (Leeper and Taylor, 1998).As characteristics of pools change over time (e.g., succession of vegetation, lengthening or shortening of hydroperiod), the amphibian and invertebrate communities’ species compositions may shift.

  • Increased water permanence generally promotes invertebrate and plant diversity as they might relate to food and cover for Chiricahua leopard frogs (McGaha 1952, 9 Hydroperiod is the duration of water level at or above the substrate surface (Forman et al.

  • Hydroperiod and its influence on nekton use of the salt marsh: a pulsing Ecosystem, Estuaries.


More Definitions of Hydroperiod

Hydroperiod means the seasonal timing, frequency, and duration of the water level in a
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Hydroperiod means the period in which a soil area is saturated with water.
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Hydroperiod means the duration of variations in intensity and frequency of water levels in a given water body or wetland.
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Related to Hydroperiod

  • Production Period is the period that for winter cereal advances commences October 1, 2021 and terminates September 30, 2023; for advances on all other field crops, honey, hogs, goats, sheep and lambs commences April 1, 2022 and terminates September 30, 2023; and for advances on cattle, continuous flow cattle, and bison commences on April 1, 2022 and terminates on March 31, 2024.

  • Exploration Period means the period mentioned in Article 3 during which Exploration Operations may be carried out by the Contractor as provided in Article 3 hereof.

  • Diatomaceous earth filtration means a process resulting in substantial particulate removal in which a precoat cake of diatomaceous earth filter media is deposited on a support membrane (septum), and while the water is filtered by passing through the cake on the septum, additional filter media known as body feed is continuously added to the feed water to maintain the permeability of the filter cake.

  • PEA Period means the period commencing at 9:30 a.m., Eastern time, on the fifth (5th) Business Day immediately prior to the filing of any post-effective amendment to the Registration Statement (as defined herein) or New Registration Statement (as such term is defined in the Registration Rights Agreement), and ending at 9:30 a.m., Eastern time, on the Business Day immediately following, the effective date of any post-effective amendment to the Registration Statement (as defined herein) or New Registration Statement (as such term is defined in the Registration Rights Agreement).

  • business vertical means a distinguishable component of an enterprise that is engaged in the supply of individual goods or services or a group of related goods or services which is subject to risks and returns that are different from those of the other business verticals.

  • Peak Period means the time between 6 a.m. and 10 p.m. (April through September) or between 7 a.m. and 11 p.m. (October through March) on all days except Saturdays and Sundays, which daily time period will be subject to change from time to time at the Company's option. This change would occur after no less than ten (10) days notice has been given to all Customers who would be affected, and to the Commission.

  • Period shall have the meaning ascribed to it in Schedule 8;

  • Operation Period means the period commencing from COD and ending on the Transfer Date;

  • PAGA Period means the period from June 25, 2020 through December 31, 2022.

  • Working Week means an average of 48 hours each week calculated over a 17-week reference period.

  • Postproduction means an activity related to the finishing or duplication of a medium described in Subsection 59-12-104(54)(a).

  • Development Period means the period from the date of this Agreement until the Appointed Date;

  • Commissioning Period means, with respect to each Subproject, the period commencing upon the first delivery of Feed Gas to the Subproject in accordance with Sections 4.8 and 11.1 of the Agreement continuing through achievement of RFSU, commissioning, Start Up, Performance Testing and achievement of Substantial Completion for such Subproject.

  • Temporary clean coal technology demonstration project means a clean coal technology demonstration project that is operated for a period of five years or less and that complies with the SIP and other requirements necessary to attain and maintain the national ambient air quality standards during the project and after the project is terminated.

  • Services Commencement Date means the date delivery of the Services shall commence as specified in the Key Provisions. If no date is specified in the Key Provisions this date shall be the Commencement Date;

  • Operating Period for any Element of the Project shall mean the period from (and including) the COD of such Element of the Project, up to (and including) the Expiry Date and for the Project, shall mean the period from (and including) the COD of the Project, up to (and including) the Expiry Date;

  • Outdoor cultivation means the cultivation of mature cannabis without the use of artificial lighting or light deprivation in the canopy area at any point in time. Artificial lighting is permissible only to maintain immature plants outside the canopy area.

  • Season means the period of time between an AGM and the subsequent AGM.

  • Interruption Period shall have the meaning set forth in Section 5 hereof.

  • Production Area means that part of the animal feeding operation that includes the animal confinement area, the manure storage area, the raw materials storage area, and the waste containment areas. The animal confinement area includes, but is not limited to, open lots, housed lots, feedlots, confinement houses, stall barns, free stall barns, milkrooms, milking centers, egg washing or egg processing areas, areas used for the storage and disposal/treatment of mortalities, cowyards, barnyards, medication pens, walkers, animal walkways, and stables. The manure storage area includes, but is not limited to, lagoons, runoff ponds, storage sheds, stockpiles, under-house or pit storages, liquid impoundments, static piles, and composting piles. The raw materials storage area includes, but is not limited to, feed silos, and silage bunkers. The waste containment area includes, but is not limited to, settling basins and areas within berms and diversions which separate uncontaminated stormwater.

  • Nuclear fuel cycle-related research and development activities means those activities which are specifically related to any process or system development aspect of any of the following: - conversion of nuclear material, - enrichment of nuclear material, - nuclear fuel fabrication, - reactors, - critical facilities, - reprocessing of nuclear fuel, - processing (not including repackaging or conditioning not involving the separation of elements, for storage or disposal) of intermediate or high-level waste containing plutonium, high enriched uranium or uranium-233, but do not include activities related to theoretical or basic scientific research or to research and development on industrial radioisotope applications, medical, hydrological and agricultural applications, health and environmental effects and improved maintenance.

  • Operational Period means a period starting with the date and time a Certificate is issued (or on a later date and time certain if stated in the Certificate) and ending with a date and time at which the Certificate expires or is earlier revoked.

  • Production Operations means all operations conducted for the purpose of producing Petroleum from the Development Area after the commencement of production from the Development Area including the operation and maintenance of all necessary facilities therefor.

  • Business Week means five consecutive Business Days, excluding Public Holidays as defined in the Public Holidays Act;

  • Ultra Low Sulfur Diesel Fuel means diesel fuel that has a sulfur content of no more than fifteen parts per

  • Project Period means the period es- tablished in the award document dur- ing which Federal sponsorship begins and ends.