GLOBE Site to support the European Phenology Campaign https://www.globe.gov/c/message_boards/find_category?p_l_id=18703103&mbCategoryId=0 2026-05-02T02:40:47Z 2026-05-02T02:40:47Z Ivana Tunjić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=177211568 2025-12-29T09:08:57Z 2025-12-29T09:08:57Z

<img src="https://www.globe.gov/documents/d/european-phenology-campaign/jesen-2025-png?imagePreview=1" height="342" /><br /><img src="https://www.globe.gov/documents/d/european-phenology-campaign/slika-drveta-jpg?imagePreview=1" height="342" />

Ivana Tunjić 2025-12-29T09:08:57Z Ivana Tunjić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=177211241 2025-12-29T08:42:26Z 2025-12-29T08:42:25Z

<span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif"><span style="font-size: 12px;"><span style="color: black">Greetings from Slavonski Brod, Croatia, Primary school Hugo Badalić. My students are observing  birch tree (Betulla pendula).</span></span><span style="font-size: 12px;"><span style="font-family: Helvetica, sans-serif"><span style="color: black"></span></span></span><br /><span style="font-size: 12px;"><span style="color: black">These are the measurement results on November 14, 2025.</span></span><span style="font-size: 12px;"><span style="font-family: Helvetica, sans-serif"><span style="color: black"></span></span></span><br /><span style="font-size: 12px;"><span style="color: black">Some leaves are 2.5Y 6/6, and some of them are 56Y 5/10</span></span></span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif"><span style="font-size: 12px;"><span style="color: black">Temperature: 2/11 degrees Celsius</span></span><span style="font-size: 12px;"><span style="font-family: Helvetica, sans-serif"><span style="color: black"></span></span></span><br /><span style="font-size: 12px;"><span style="color: black">Latitude 45.159705, Longitude 18.009081, Elevation 88m</span></span></span></span><br /><img src="https://www.globe.gov/documents/d/european-phenology-campaign/slika1-png?imagePreview=1" height="342" />

Ivana Tunjić 2025-12-29T08:42:25Z Ivana Tunjić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=177210958 2025-12-29T08:29:39Z 2025-12-29T08:29:39Z

<span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif">Hello from Primary school Hugo Badalić, City Slavonski Brod, Croatia!</span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif">My name is Ivana Tunjić and my students are 5th grades. We continue to observe a birch (lat. Betula pendula)</span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif">This is the location of our tree</span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif">Latitude: 45.159152</span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif">Longitude:17.9995</span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif"></span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif">Elevaton:85.5m</span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif">Tree height:17,55m</span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif">Circumference:180cm</span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif">The leaves are still green Date: 20.9.2025. Temp: 13°C / 29 °C<br />​​​​​​​<img src="https://www.globe.gov/documents/d/european-phenology-campaign/ps-jelas-jpg?imagePreview=1" height="342" /><br /></span>

Ivana Tunjić 2025-12-29T08:29:39Z Ivana Tunjić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=156550290 2025-06-15T09:12:15Z 2025-06-15T09:12:03Z

20.5.2025. <div class="lfr-code"><table><tbody><tr><td class="line-numbers">1</td><td class="lines"><div class="line">Our birch is completely green and beautiful</div></td></tr></tbody></table></div>

Ivana Tunjić 2025-06-15T09:12:03Z Ivana Tunjić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=153508050 2025-05-02T07:24:12Z 2025-05-02T07:23:57Z

Hello from Slavonski Brod

Ivana Tunjić 2025-05-02T07:23:57Z Ivana Tunjić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=149502232 2025-03-22T18:20:34Z 2025-03-22T18:19:25Z

<span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif"><span style="font-size: 12px;"><span style="font-family: Helvetica, sans-serif"><span style="color: black">School name: Elementary School</span></span></span> Hugo Badalić</span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif"><span style="font-size: 12px;"><span style="font-family: Helvetica, sans-serif"><span style="color: black">City: Slavonski Brod  </span></span></span></span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif"><span style="font-size: 12px;"><span style="font-family: Helvetica, sans-serif"><span style="color: black">Country: Croatia</span></span></span></span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif"><span style="font-size: 12px;"><span style="font-family: Helvetica, sans-serif"><span style="color: black">Student age group: 11-14 years</span></span></span><span style="font-size: 12px;"><span style="font-family: Helvetica, sans-serif"><span style="color: black"><br />Number of students in your team: 12<br />Tree species you observed: Betulla pendula</span></span></span></span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif"><span style="font-size: 12px;"><span style="font-family: Helvetica, sans-serif"><span style="color: black">Contact details:</span></span></span><span style="font-size: 12px;"><span style="font-family: Helvetica, sans-serif"><span style="color: black"> Ivana Tunjić, prof. <a href="mailto:itunjic2@gmail.com">itunjic2@gmail.com</a></span></span></span></span></span><br />​​​​​​​<br /><span style="font-size: 10px;"><span style="font-family: Calibri, sans-serif"><span style="font-size: 10px;"><span style="font-family: Helvetica, sans-serif"></span></span></span></span>

Ivana Tunjić 2025-03-22T18:19:25Z Ivana Tunjić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=149499560 2025-03-22T18:06:10Z 2025-03-22T18:03:21Z

<span style="font-size: 10px;"><span style="font-family: Calibri, sans-serif">Hello <br />everyone, we are an elementary school from Slavonski Brod (Croatia), and we are in spring phenological campaign since 2017! My students and I follow birch trees (Betulla pendula) in the school yard.</span></span><br /><span style="font-size: 10px;"><span style="font-family: Calibri, sans-serif"><span style="font-size: 10px;"><span style="font-family: Helvetica, sans-serif"><span style="color: #333333">Latitude 45.15<br />9152, Longitude 17.9995, Elevation 85.5m, SITE_ID: 5099<br /><img src="https://www.globe.gov/documents/18702582/0/lokacija+%C5%A1kole+%281%29.png/09439042-2021-06a3-1d2b-592337768fcd?t=1742666530784&amp;imagePreview=1" /><br /><br /><img src="https://www.globe.gov/documents/18702582/0/Green+up+p%C5%A1+jelas+%C5%A1kola.png/869e2e3d-43fb-5029-d972-4ed8250cdd7c?t=1742666575955&amp;imagePreview=1" /><br />​​​​​​​<br /></span></span></span>

Ivana Tunjić 2025-03-22T18:03:21Z Ivana Tunjić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=137822173 2024-09-29T19:09:21Z 2024-09-29T19:08:55Z

<span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif">Hello from Primary school Hugo Badalić, City Slavonski Brod, Croatia!</span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif">My name is Ivana Tunjić and my students are 8th grades. We continue to observe a birch (lat. Betula pendula)</span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif">This is the location of our tree</span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif">Latitude: 45.159152</span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif">Longitude:17.9995</span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif"></span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif">Elevaton:85.5m</span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif">Tree height:17,55m</span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif">Circumference:180cm</span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif">​​​​​​​The leaves are still green Date: 4.9.2024. Temp: 29 °C</span></span><br />​​​​​​​

Ivana Tunjić 2024-09-29T19:08:55Z Ivana Tunjić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=124564180 2024-03-16T16:45:02Z 2024-03-16T16:45:02Z

Hello from Primary school Hugo Badalić, City Slavonski Brod, Croatia!<br />My name is Ivana Tunjić and my students are 7th grades. We continue to observe a birch (lat. Betula pendula)<br />This is the location<br />Birch<br />Latitude: 45.159152<br />Longitude:17.9995<img src="https://www.globe.gov/documents/18702582/0/9.3.2024..jpg/e0ae9326-57ff-6236-7a4d-acdfe4000c70?t=1710607490431&amp;imagePreview=1" /><br /><br />Elevaton:85.5m<br />Tree height:17,55m<br />Circumference:180cm<br />​​​​​​​Buds are still dormant. Date: 9.3.2024. Temp: 14 C

Ivana Tunjić 2024-03-16T16:45:02Z Ivana Tunjić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=119149352 2023-12-21T13:49:28Z 2023-12-21T13:49:28Z

<img src="https://www.globe.gov/documents/18702582/0/graf+2023+jesen.jpg/2898fecc-5329-d579-8557-53822bd948b4?t=1703166559924&amp;imagePreview=1" />

Ivana Tunjić 2023-12-21T13:49:28Z Ivana Tunjić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=114577897 2023-09-24T15:22:04Z 2023-09-24T15:22:04Z

<span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif">Hello from Primary school Hugo Badalić, City Slavonski Brod, Croatia!<br />My name is Ivana Tunjić and my students 7, grades continue to observe a birch (lat. Betula pendula)<br />This is the location</span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif">Birch<br />Latitude: 45.159152<br />Longitude:17.9995<br />Elevaton:85.5m<br />Tree height:17,55m<br />Circumference:180cm<br />20th September 2023 the leaves on our birche are still green, all leaves are 5GY 3/2<br />The air temperature is 32°C. <br />​​​​​​​The soil is dry.<br />Greetings from Slavonski Brod, Croatia!</span></span><br /><img src="https://www.globe.gov/documents/18702582/0/1.+aktivnost+breza.jpg/d7f9a2f8-93b2-81da-fe8b-5de6a20a0778?t=1695568819855&amp;imagePreview=1" /><br /><img src="https://www.globe.gov/documents/18702582/0/1.+aktivnost+mjerenja+visine.jpg/48406c63-7224-41b8-8cb8-ca8f80f720a5?t=1695568854851&amp;imagePreview=1" /><br /><img src="https://www.globe.gov/documents/18702582/0/1.+aktivnost+ozna%C4%8Davanje.jpg/de7f1daf-55ee-1a8f-23af-64075052cb2c?t=1695568884403&amp;imagePreview=1" /><br />​​​​​​​

Ivana Tunjić 2023-09-24T15:22:04Z Ivana Tunjić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=107070717 2023-06-04T21:36:54Z 2023-06-04T21:35:55Z

<div class="lfr-code"><table><tbody><tr><td class="line-numbers">1</td><td class="lines"><div class="line">Birch measurement</div></td></tr></tbody></table></div>

Ivana Tunjić 2023-06-04T21:35:55Z Ivana Tunjić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=107070469 2023-06-04T21:33:45Z 2023-06-04T21:33:25Z

<div class="lfr-code"><table><tbody><tr><td class="line-numbers">1</td><td class="lines"><div class="line">Tabular display of measurements</div></td></tr></tbody></table></div>

Ivana Tunjić 2023-06-04T21:33:25Z Ivana Tunjić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=107068768 2023-06-04T21:20:14Z 2023-06-04T21:19:54Z

<div class="lfr-code"><table><tbody><tr><td class="line-numbers">1</td><td class="lines"><div class="line">Our measurement data</div></td></tr></tbody></table></div>

Ivana Tunjić 2023-06-04T21:19:54Z Ivana Tunjić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=103935969 2023-03-26T20:15:11Z 2023-03-26T20:13:01Z

Spring 2023. Activity 1. OŠ Hugo Badalić, SB<br /><br />Greetings from elementary school,<br />​​​​​​​<br />we are observing birch tree. Buds on our trees are still dormant.<br /> The current temprature is 6 °C. Date: 1.3.2023.

Ivana Tunjić 2023-03-26T20:13:01Z Ivana Tunjić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=101660717 2023-01-29T19:37:13Z 2023-01-29T19:37:13Z

https://vis.globe.gov/GLOBE/timeseries.jsp?map_type=FusionCharts/MSColumn2D&amp;mode=multisiteplot&amp;multiSiteList=35609:dv_greenings_down:green_down:null:null&amp;chartmodule=FusionCharts&amp;field=Acer:campestre:0&amp;start_datepicker=2022-1-1&amp;end_datepicker=2022-12-31&amp;result_type=true

Ivana Tunjić 2023-01-29T19:37:13Z Ivana Tunjić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=97826030 2022-10-13T17:06:39Z 2022-10-13T17:06:20Z

<span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif">Greetings from Slavonski Brod, Croatia, Primary school Hugo Badalić. My students are observing  birch tree (Betulla pendula).</span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif">These are the measurement results on October 10, 2022.</span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif"> Birch- all four leaves <strong>5GY4/8</strong></span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif">Temperature: 6/18 degrees Celsius</span></span><br /><span style="font-size: 12px;"><span style="font-family: Calibri, sans-serif">Latitude 45.159705, Longitude 18.009081, Elevation 88m</span></span><br />​​​​​​​

Ivana Tunjić 2022-10-13T17:06:20Z Ivana Tunjić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=97825793 2022-10-13T16:56:54Z 2022-10-13T16:55:06Z

<span style="font-size: 10px;"><span style="font-family: Calibri, sans-serif">Greetings from Slavonski Brod, Croatia, Primary school Hugo Badalić. My students are observing  birch tree Betula pendula for the autumn phenology campaign.</span></span><br /><span style="font-size: 10px;"><span style="font-family: Calibri, sans-serif">These are the measurement results on September 27, 2022.</span></span><br /><span style="font-size: 10px;"><span style="font-family: Calibri, sans-serif"> Birch- all four leaves <strong>5GY3/2</strong></span></span><br /><span style="font-size: 10px;"><span style="font-family: Calibri, sans-serif">Temperature: 18 degrees Celsius</span></span><br /><span style="font-size: 10px;"><span style="font-family: Calibri, sans-serif">Latitude 45.159705, Longitude 18.009081, Elevation 88m</span></span>

Ivana Tunjić 2022-10-13T16:55:06Z Ivana Tunjić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=86406936 2022-03-19T15:44:56Z 2022-03-19T15:44:56Z

All our buds are still asleep - dormant<br />19.3.2022. 11C<img src="https://www.globe.gov/documents/18702582/0/P%C5%A0+breza+17.3.2022.+%281%29.jpg/49a97b1f-50e9-1a53-2d18-ee22c1632a23?t=1647704681146&amp;imagePreview=1" />

Ivana Tunjić 2022-03-19T15:44:56Z Ivana Tunjić https://www.globe.gov/c/message_boards/find_message?p_l_id=18703103&messageId=86406479 2022-03-19T15:41:01Z 2022-03-19T15:23:52Z

Hello from Slavonski Brod, Croatia<br />All buds on our  birchs aredormant on March 17th.<br /> The current temparature was 12°C.<img src="https://www.globe.gov/documents/18702582/0/P%C5%A0+breza+17.3.2022+a..jpg/93bb2c0e-5bff-584c-a484-ca3775edc530?t=1647703364636&amp;imagePreview=1" /><br /><br />​​​​​​​

Ivana Tunjić 2022-03-19T15:23:52Z