Sycamore Creek (IMAGE) Penn State Caption Sycamore Creek flows through an arid landscape in Arizona. It was one of the streams included in the study on how streams and forests exchange energy. Credit Daniel Allen/Penn State Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.