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<br />A string defining the unit of the spatial identifier list (county, water district, hydrologic unit, <br />? <br />and river basin) <br /> <br />A list of spatial identifiers describing the specified area (county name, water district number, <br />? <br />hydrologic unit number, or river basin name) <br /> <br />The begin year for the model run <br />? <br /> <br />The end year for the model run (>= begin year) <br />? <br /> <br />An integer to represent nulls in data (e.g. -9999) <br />? <br />A low-level routine is developed to specifically support this DMI, then no other parameters are necessary <br />since the data format and types of data are predetermined and rigid. If a general use routine is developed <br />that supports more than one calling DMI, then additional parameters may be necessary. <br />Low-level DMI Outputs <br />Data to Be Returned By the DMI <br />For Blaney-Criddle <br />Number of crop types in the specified area having a method of: ?Blaney_Criddle? <br />? <br />Data Describing Each Crop Type <br />Crop number <br />? <br />Crop name <br />? <br />Blaney-Criddle coefficient by: day of the year for perennials or percent growing for annuals <br />? <br />For Penman-Monteith <br />Number of crop types in the specified area having one or more method of: ?Mean_Alfalfa,? <br />? <br />?Mean_Grass,? ?Ref_Alfalfa,? or ?Ref_Grass? <br />Data Describing Each Crop Type <br />Crop number <br />? <br /> <br />Crop name <br />? <br />For Each Crop Type/Method Combination <br />Method name <br />? <br /> <br />Method coefficients by days after planting <br />? <br />3 <br />A275 01.09.95 1.14-12 CSU IDS <br />