Update README.md

README.md

@@ -22,6 +22,39 @@ Two examples with sample data are wrapped up including
 
 A demo for temporal test is [here](example/demo-temporal-test.ipynb)
 
+# License
+Non-Commercial Software License Agreement
+
+By downloading the hydroDL software (the “Software”) you agree to
+the following terms of use:
+Copyright (c) 2020, The Pennsylvania State University (“PSU”). All rights reserved.
+
+1. PSU hereby grants to you a perpetual, nonexclusive and worldwide right, privilege and
+license to use, reproduce, modify, display, and create derivative works of Software for all
+non-commercial purposes only. You may not use Software for commercial purposes without
+prior written consent from PSU. Queries regarding commercial licensing should be directed
+to The Office of Technology Management at 814.865.6277 or [email protected].
+2. Neither the name of the copyright holder nor the names of its contributors may be used
+to endorse or promote products derived from this software without specific prior written
+permission.
+3. This software is provided for non-commercial use only.
+4. Redistribution and use in source and binary forms, with or without modification, are
+permitted provided that redistributions must reproduce the above copyright notice, license,
+list of conditions and the following disclaimer in the documentation and/or other materials
+provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
 
 # Database description
 ## Database Structure